PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 337
 Class Title: ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED
              SWITCHES

Subclass  Subclass
Number    Title

  1       WITH DIVERSE ART-TYPE DEVICE
  2       WITH SEPARATE DISTINCT DIVERSE ART-TYPE SWITCHING DEVICE (E.G.,
           FLUID-OR MECHANICAL-ACTUATED)
  3       .Bimetallic device with other
  4       .Fusible element device with other
  5       ..Diverse art-type switching device responsive to the condition
             of fusible element
  6       ..With automatic circuit-interrupting device
  7       ...Multiphase of multipole
  8       ..Manually operable mechanical device
  9       ...Knife or blade switch
  10      ...Rotary or reciprocating mechanism
  11      ..With multiple circuit connector device (e.g., multiple
             mechanical)
  12      WITH DIVERSE ART-TYPE ACTUATOR FOR SINGLE SWITCH
  13      .Bimetallic with other
  14      ELECTROTHERMALLY ACTUATED SWITCHES
  15      .Shunt or short circuit completion devices
  16      ..Bimetallic means
  17      ..Fusible material combined with gap
  18      ...Gaseous space discharge gap (e.g., air gap)
  19      ..Gap with thin film dielectric (e.g., voltage-responsive)
  20      ..With significant housing or casing structure
  21      .Conductive fluid devices
  22      .Fluorescent lamp-starting devices
  23      ..With significant heating means
  24      ...With shunt or short-circuiting means (for resistor)
  25      ..Electric discharge means (e.g., electron-emissive)
  26      ..With significant contact structure or composition
  27      ...Bimetallic element
  28      .Space discharge device (gaps, lightning arrester, etc.)
  29      ..Plural
  30      ..With explosive or combustible material
  31      ..With fusible element (e.g., cutout means)
  32      ...With grounding means
  33      ...With common structural elements (e.g., fuse provides support
              or element of spark gap structure
  34      ..Housing, casing, mounting or support means
  35      .Plural diverse similar art-type devices in single switch
  36      .With bimetallic elements (i.e., motion takes place in a plane
            at right angles to its major axis)
  37      ..With manual or other mechanical contact controlling means
  38      ...Plural elements combined with single mechanical means
  39      ....Independently operative bimetallic elements
  40      ....Individually responsive to diverse conditions or diverse
               characteristics
  41      ...Multiple contact or plural circuit control means
  42      ....Plural switches
  43      .....With interlocking means
  44      ....Selectively or alternately actuated
  45      ....Single multipole or polyphase control devicee
  46      .....With common mechanical actuating or tripping means
  47      .....With separate latching or tripping means in each phase
  48      ......With common trip-bar means
  49      .......Slidable or reciprocal bar
  50      .......Rotatable
  51      ...Cyclically or periodically actuated
  52      ...With spring or other energy storage device
  53      ....Snap-action
  54      .....With magnetic flux source (e.g., magnetic armature)
  55      .....With latching or holding means
  56      .....With reclosing or reset means
  57      .....With adjusting or calibration means
  58      ....Compound motion means
  59      .....Toggle
  60      .....Floating lever
  61      ....Rotary or oscillatory motion device (e.g., spring motor)
  62      ....Reciprocating or slidable motion device
  63      .....With lost motion coupling means
  64      .....With camming or wedging means
  65      .....With contact guiding or alignment means
  66      .....With push-button actuating means
  67      ...With contact pressure maintaining or adjusting means
  68      ...With direct contact separating means (e.g., plunger camming
              means)
  69      ...Independently operative (nontrip-free)
  70      ...Latch or latch-release means
  71      ....Plural or responsive to diverse effects
  72      ....With reclosing or reset means
  73      .....Automatic
  74      ....Trip-free
  75      ....Bimetallic element unitary with or comprising latch means
  76      ....Performs dual functions (e.g., main contact)
  77      ....With external or auxiliary heater
  78      ....Utilizing plural bimetallic elements
  79      ...With signal or indicating means
  80      ...With mercury or other conductive liquid circuit completion
              means
  81      ...Retarded or delayed action type
  82      ...With operating range calibration or adjustment means
  83      ....Comprising electric shunt or short-circuiting means
  84      ....Comprising mechanical means
  85      ..Bimetallic element unitary with or directly actuates movable
             contact means
  86      ...Plural contacts or external circuit connection means
  87      ....Alternately or selectively actuated
  88      ...Retarded or delayed type
  89      ...Snap-action
  90      ....With magnetic armature or holding means
  91      ....With reset means
  92      ...Cyclic or repetitively operative (e.g., flashing)
  93      ....With interval predetermining or adjustment means
  94      ...With operating range, calibration or adjusting means
  95      ...With plural or combined elements
  96      ....Responsive to diverse conditions or of diverse operative
               characteristics
  97      ..With switch structure protective means
  98      ..With contact operation inhibiting means (e.g., meltable or
             magnetic))
  99      ..With voltage or ambient temperature compensation means
  100     ...Auxiliary heating means
  101     ...Bimetallic means
  102     ..With external or auxiliary heating means
  103     ...With heater-adjusting, shunting or short-circuiting means
  104     ...Plural heating means
  105     ...With electrical power supply or current control means
  106     ....Inductive means (e.g., tansformer)
  107     ...Significant heating element structure or composition
  108     ....Arc or spark gap
  109     ..Contact composition or structure
  110     ..With arc-suppression or blowout means
  111     ..Bimetallic structure or composition of material
  112     ..Housing, casing or support means
  113     ...With external circuit connection means
  114     .Expansible or vaporizable fluid-actuated (e.g., mercury vapor)
  115     ..With manual or other mechanical contact actuating means
  116     ...Cyclically or periodically operative
  117     ...Utilizing diaphragm or bellows means
  118     ...With restoring or resetting means
  119     ..Utilizing capillary tube or bore means
  120     ..With external heating means (external from fluid; may be the
             container)
  121     ..With housing or casing
  122     ..With contact or electrode structure or material (e.g.,
             carbon)
  123     .With longitudinally expansible solid element (e.g., rod, wire
            strip, etc.)
  124     ..With voltage or ambient temperature compensation means
  125     ..With electrical shunting or short-circuiting means
  126     ..With manual or other mechanical contact actuating means
  127     ...With delayed action or timing means
  128     ...Latching or tripping means
  129     ....With adjustment or calibration means
  130     ....With reset or reclosing means
  131     ...Snap-action (e.g., bistable)
  132     ....With toggle spring
  133     ....With stop means (e.g., motion limiting)
  134     ....With magnetic biasing or holding means
  135     ....With flexible vane or plate
  136     .....With preset deformation
  137     ..Contact structure or composition
  138     ..Cylically or periodically operated (e.g., flasher)
  139     ..With significant expansible element structure or composition
             of material
  140     ...Wire or other stranded element
  141     ..With external or auxiliary heating means
  142     .Fusible element actuated
  143     ..With manual or other mechanical contact control means
  144     ...Plural fuses combined with single mechanical means
  145     ...Multiple contact or plural circuit control means
  146     ....Multipole or polyphase
  147     ...Snap-action mechanical device
  148     ...Reciprocal or rectilinear sliding motion actuating means
              (e.g., spring loaded plunger or striker pin)
  149     ...Rotary or oscillatory motion device
  150     ...Latching trip or holding means (actuated by condition by fuse
              element))
  151     ....Ratchet and pawl
  152     ....Thin film or resoldering (e.g., eutetic alloy)
  153     ....With external or auxiliary heating means
  154     ....Tripping or release means
  155     ...With reclosing or reset means
  156     ...Manually operated shunting, disconnect or load-break device
  157     ....Mechanical fuse link rupturing means
  158     ..Current limiting devices (e.g., high voltage fuses)
  159     ...Comprising significant fuse link or element structure or
              arrangement
  160     ....With fusible metal overlay (e.g., alloy-forming)
  161     ....Plural elements
  162     .....With diverse characteristics
  163     ..Delayed action (i.e., time lag)
  164     ...Utilizing plural fusible elements
  165     ...With biased direct circuit opening means
  166     ...With heat absorption, conducting or storage means
  167     ..Convertible (e.g., fused to nonfused)
  168     ..Cutout or disconnect type (an assembly) of a fuse support and
             fuse holder with or without a fuse link)
  169     ...With kickout means
  170     ....Fusible element controlled
  171     ...With dropout features (i.e., the fuse tube will be separated,
              or drop away from, at least on the main circuit contacts)
  172     ....Utilizing combined mechanical motions (e.g., sliding with
               pivotal)
  173     ....Utilizing sliding or reciprocating motions
  174     ....With holding, latch or trip means
  175     .....Combined latch or trip
  176     .....Fusible element controlled
  177     ......With fuse link extracting means
  178     ......Spring biased
  179     ......With delayed action
  180     ...Line terminal or contact structure
  181     ....Directly connected by fusible element (e.g., in line-type
               fuse)
  182     ..With external or auxiliary heating means
  183     ...Resistive heater
  184     ....Directly in series with or completing controlled circuit
  185     ...Comprising or including heat storage or accumulator means
  186     ..Housing, casing or support means
  187     ...With external circuit connection means
  188     ....Plural conductor connector means
  189     .....Distribution or load center type (e.g., plural outputs)
  190     ....With fuse element tensioning or clamping means
  191     ....Cable or busbar attachment means
  192     .....Socket or thimble
  193     .....Line tap, hook or clamp
  194     ....With relatively movable cooperative elements (e.g., pull
               out)
  195     .....With spring biasing means
  196     .....Door or closure controlled
  197     ....Plural diverse (e.g., male and female connectors)
  198     ....Prong or blade (e.g., plug-type housing)
  199     ...With electrical ground, shield or barrier
  200     ...Ceiling block fixture type (e.g., Rosette)
  201     ...With plural interfitting or interlocking sections
  202     ...Bushing or insulatorr
  203     ...With gaseous venting or expulsion means (from the housing)
  204     ...With oil or other liquid
  205     ...With locking, sealing or guard means
  206     ...With operational condition indicating means
  207     ...With external support or attaching means (e.g., hook)
  208     ...With fuse carrier attachment means
  209     ....Adaptor means
  210     ....Combined with lockout or other circuit closure prevention
               means
  211     ....With pull out or ejector means (for tube)
  212     ....Door-supported
  213     ....Peculiarly adapted for cartridge fuse
  214     .....With clamping, latch, or other attachment means
  215     ......Spring clip
  216     ....Peculiarly adapted for plug-type fuse carrier (e.g., fuse
               block)
  217     ..Fuse link extraction or expulsion means
  218     ...Combined with contact structure
  219     ...Spring means
  220     ...Pressure responsive
  221     ..With electrical shunt circuit means (may also be fusible)
  222     ..With switch protective means (for fuse structure)
  223     ...Against shock or recoil
  224     ...Against corona (e.g., shield)
  225     ..With overfusing or tamper prevention means
  226     ...Special adaptor or other selective means
  227     ..Fuse link carrier or holder
  228     ...Cartridge or tube
  229     ....With plural fuse links or elements
  230     .....Selectively or successively insertable in common circuit
  231     ....With fuse link attaching support or securing means
  232     .....Soldered or brazed joint
  233     .....Rigid bar means
  234     .....Locking or clamping means
  235     .....Threaded screw or stud
  236     .....Wedging or camming means
  237     .....Replaceable or readily interchangeable
  238     ....With fuse link tensioning means
  239     .....Spring or other energy storage means
  240     ......With strain member
  241     ....With indicating or inspection means
  242     .....Glow lamp
  243     .....Chemical means
  244     .....Movable or displaceable element (e.g., plunger or
                semaphore)
  245     ....With handle or other manipulating means
  246     ....Cartridge or tube structure or material of construction
  247     .....Plural tubes (e.g., telescoping)
  248     ....Ferrule, cap or other seal means
  249     ....With gas expulsion means
  250     .....Venting, cooling or deionizing
  251     ....Contact or terminal structure
  252     .....Attaching or securing means (to the tube or to the fusible
                element)
  253     ......Locking, clamp or wedge means
  254     .......Knife blade contact with slotted disk
  255     ...Plug
  256     ....Plural fusible elements in a single carrierr
  257     .....Selectively or successively insertable in protected
                circuit
  258     ......Selection means
  259     .......Rotatable relatively movable
  260     ....With fuse element attachment or securing means
  261     .....Resilient biasing or retaining means
  262     .....Particularly adapted for specific fuse element
  263     ......Cartridge or capsule enclosed
  264     .....Readily replaceable or detachable element
  265     ....With indicating means
  266     .....Glow lamp or other incandescent means
  267     .....Plunger or semaphore type
  268     ....Contact or terminal structure
  269     .....Plural diverse (e.g., male and female)
  270     ....Structure or composition of material
  271     .....Part of or structurally adapted for use with particular
                socket means
  272     .....With venting means
  273     ..With arc suppression or extinguishing means
  274     ...Plural (e.g., auxiliary fuse)
  275     ....With draw-out rod
  276     ...Dielectric filler material or compound (e.g., quartz)
  277     ....Liquid (e.g., hydrocarbon)
  278     ....Dielectric gap or barrier means (e.g., wedging dielectric)
  279     ...Deionizing gas or vapor generating material
  280     ...Cooling, condensing or absorbing means
  281     ...Blowout means (e.g., gaseous)
  282     ...Arcing chamber or passage structure
  283     ..Plural independent fuses
  284     ...Selectively or sequentially inserted in same protected
              circuit
  285     ....Automatic selective means (e.g., repeater type)
  286     .....With delayed action selective means
  287     ......Hydraulic or pneumatic
  288     .....Transfer or interlock means
  289     ....Rotary selector means
  290     ..Fusible link or element structure or material
  291     ...With strain-relief means
  292     ...Plural series-connected conductive elements forming a single
              link
  293     ...Plural parallel fusible elements
  294     ...Continuous strand adapted for successive insertion in
              protected circuit
  295     ...With particular geometrical shape or configuration
  296     ...Composite (e.g., with overlay)
  297     ...With nonconductive core (e.g., printed circuit)
  298     THERMALLY ACTUATED SWITCHES
  299     .Plural diverse actuating means in single switch
  300     .Responsive to plural external conditions (e.g., temperature and
            humidity)
  301     .With mechanical timing means (e.g., clockwork)
  302     ..Periodic or cyclically operative
  303     ...With predetermined operative cycle adjusting means
  304     ..With predetermined operative temperature range
  305     ...Utilizing cam or eccentric
  306     .Expansible or vaporizable fluid actuated
  307     ..Plural expansible elements with single switch
  308     ...Individually responsive to diverse conditions or of diversee
              characteristics
  309     ..Multiple contacts or external circuit completion means
  310     ...Plural independent switches
  311     ...Selective, sequentially or alternately actuated
  312     ..With manual or other mechanical contact control means
  313     ...Combined or compound motion device
  314     ...Reciprocating or sliding motion
  315     ....Piston or plunger
  316     ...Rotary or oscillatory motion device
  317     ...With spring or other energy storage means
  318     ....Snap-action
  319     .....With adjusting, calibrating or compensating means
  320     ..With diaphragm or bellows structure
  321     ...Combined with capillary tube or bore
  322     ..With bourdon tube
  323     ..With operating range calibration or adjustment means
  324     ..With auxiliary heater
  325     ..With latching, locking or holding means
  326     ..Fluid or fluid pressure generating means
  327     ..Housing, casing or support means
  328     ...With pressure relief (e.g., venting)
  329     ..Contact structure or composition of material
  330     ...With relative position adjustment means
  331     ...Comprising conductive liquid (e.g., mercury)
  332     ..With signaling, alarm or visual indicator means
  333     .With bimetallic element
  334     ..With manual or other mechanical contact control means
  335     ...Plural elements combined with single mechanical means
  336     ....Individually responsive to diverse conditions or of diverse
               operating characteristics
  337     ...Multiple contact or plural circuit control means
  338     ....Plural separate switches
  339     .....With interlocking
  340     ....With contacts selectively, alternately or sequentially
               actuated
  341     ...With time-delay means
  342     ...With spring or other energy storage means
  343     ....Snap-action
  344     .....With magnetic flux source (e.g., magnetic armature)
  345     .....With toggle linkage
  346     .....With frictional coupling or lost motion means
  347     .....With adjusting or calibration means
  348     .....With reset or reclosing means
  349     ...With contact biasing, pressure control or adjusting means
  350     ...Compound motion means
  351     ...Rotary or oscillatory motion means
  352     ....With frictional clutch drive means
  353     ....Including cam and follower
  354     ...Reciprocating or slidable motion means
  355     ...Independently operative
  356     ...Latch or latch-release means
  357     ....Adjustable
  358     ....With reclosing or reset means
  359     ....With bimetallic element comprising or unitary with latch
  360     ..With operating range calibration or adjustment means
  361     ...Utilizing cam or roller
  362     ..Bimetallic element unitary with or directly actuates contacts
  363     ...Multiple contacts or external circuit control meanss
  364     ....Alternately or selectively actuated
  365     ...Snap-action
  366     ....With magnetic flux source
  367     ....With reset means
  368     ....With adjustment or calibration means
  369     ...Cyclically or repetitively operative
  370     ...With plural bimetallic elements
  371     ....Of diverse operating characteristics or responsive to
               diverse conditions
  372     ...Element attachment or mounting means
  373     ..Contact structure or composition of material (e.g., mercury)
  374     ...With position adjusting means
  375     ....Leaf spring with direct thrust element
  376     ..With signal or indicating means
  377     ..With auxiliary heating means
  378     ..With compensation means (e.g., ambient temperature)
  379     ..Bimetallic element structure or composition of material
  380     ..Housing, casing or support structure
  381     ...With significant external circuit connection means
  382     .With longitudinally expansible solid element
  383     ..With plural contacts or external circuit completion means
  384     ..With manual or other mechanical contact control means
  385     ...Latching or tripping means
  386     ...Comprising mechanical advantage or force multiplying means
  387     ...Comprising frictional clutch or lost motion means
  388     ...With spring or other energy storage means
  389     ....Comprising resilient leaf spring
  390     ....Snap-action
  391     .....With flexible vane or plate
  392     ..With operating range calibration or adjusting means
  393     ..Expansible solid structure or composition of material
  394     ...Rod, tube or cylinder
  395     ...Wire or stranded material
  396     ...Diaphragm, strip or ribbon
  397     ..Plural deformable elements in single switch
  398     ..Housing, casing or support means
  399     ..Contact or terminal structural or composition of material
  400     ...With position adjustment means
  401     .With fusible, combustible or explosive material
  402     ..With manual, gravity-actuated or other mechanical contact
             control means
  403     ...Automatic cutout or disconnect type
  404     ....With fusible element directly connecting contacts
  405     ....With fusible element opening the circuit (no mechanical
               contacts)
  406     ...Multiple contacts or plural circuit control means
  407     ...Utilizing spring or other energy
  408     ....Reciprocating or slidable motion device
  409     .....Plunger or piston
  410     ....Rotatable
  411     ...Latch, trip or holding means
  412     ..Plural independent fuse elements with single circuit
             completion means
  413     ..Contact structure or composition of material
  414     ..Housing, casing or support means
  415     ...Flexible or resilient
  416     ..Fusible, link or element structure or composition of material
  417     DETAILSS