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: 30
 Class Title: CUTLERY

Subclass  Subclass
Number    Title

  1       MISCELLANEOUS
  1.5     NECKED RECEPTACLE SEAL CUTTERS
  2       CARTON OPENERS
  400     CAN OPENER
  401     .With control means energized in response to activator
            stimulated by condition sensor
  402     ..Unicyclic reciprocating punch
  403     ..With stopping upon completion of cut
  404     ...Responsive to reaction force between can and cutter
  405     ..Responsive to can
  406     .With sanitizer
  407     .Including spout former
  408     .With other cutlery means
  409     .Adapted for right or left hand operation
  410     .With lid retainer or lifter
  411     .With can closure means
  412     .Including plural independent cutters
  413     ..Progressive fulcrum
  414     ..Including punch
  415     .Including plural sequentially operated cutters
  416     .With driven roller to continuously engage bead and relatively
            rotate can and opener
  417     ..Side cut
  418     ...Cutter comprising driven disc
  419     ..With means enabling quick release of cutter
  420     ..Roller drive means causes initial piercing
  421     ...Including prime mover
  422     ...Cutter comprising rotatable disc
  423     ..Including prime mover
  424     ...Cutter comprising rotatable disc
  425     ....Driven disc
  426     ..Cutter comprising rotatable disc
  427     ...Driven disc
  428     .Including shear couple
  429     .Progressive fulcrum
  430     ..Side cut
  431     ..Cutter pivoted to reaction member
  432     ..With guide
  433     .With means to relatively rotate can and opener
  434     ..Comprising means to rotate can
  435     .Including sweep cutter
  436     ..With can support
  437     ..With can penetrating pivot
  438     ...Variable cutter radius
  439     ....Freely slidable cutter
  440     .....Cutter comprising rotatable disc
  441     ....Cutter comprising rotatable disc
  442     ..With means to grip can
  443     .Including punch
  444     ..With prime mover to drive cutter relative to can
  445     ..Peripheral punch
  446     ..Plural-spaced cutting edgess
  447     ...With can support
  448     ..With can support
  449     ..Traversing punch
  450     ..And fulcrum
  26      MANICURE
  27      .Guarded edge
  28      .Nippers
  29      .Shears
  29.5    HAIR CUTTERS FOR INSIDE NOSE OR EAR
  30      HAIR PLANERS
  31      .Convertible
  32      RAZORS
  34.05   .Combined
  34.1    ..With additional cutter means
  34.2    ..With means to raise the hair and/or stretch the skin
  35      ..With means to facilitate sharpening
  36      ...Permanently attached sharpener
  37      ...Means for holding or guiding sharpener
  38      ....Blade-shifting mechanism
  39      .....Safety impulse
  40      ..With blade magazine
  40.1    ...Strip feed
  40.2    ...Detachable magazine
  41      ..With waste-collecting, razor-cleaning and/or dispensing
  41.5    ...With fluid-current disposal means
  41.6    ...Hair-collecting means
  41.7    ..With blade usage indicator
  41.8    ..With blade flexure indicator
  41.9    .With cooperating nipping blades
  43      .With cooperating shearing blades
  43.1    ..With razor-adjusting means
  43.2    ...Adjusting spacing between blades
  43.3    ..With compound movement of blade
  43.4    ..Rotary blade
  43.5    ...Rotary inner blade
  43.6    ....And stationary outer blade
  43.7    ..Oscillating blade
  43.8    ...Oscillating inner blade
  43.9    ....And stationary outer blade
  43.91   ..Reciprocating inner blade
  43.92   ...And stationary outer blade
  42      .With blade-moving means
  44      ..Vibratory
  45      ...Electric
  46      ...Traction
  47      .Knockdown and/or folding
  48      .Inclined edge
  49      .Curved edge
  50      .Multiple blade
  51      .Detachable blade, guarded cutting edge
  52      ..Tensioned blade edge
  53      ..Longitudinal or old style
  54      ...With relative blade and guard adjustment
  55      ...Separable guard
  57      ..Pivoted blade
  58      ..Pivoted cap
  59      ...Multiple guard
  60      ....With operator and relative blade and guard adjustmentt
  60.5    .....Sectional cap
  61      ...With operator and relative blade and guard adjustment
  62      ..Slidable blade
  63      ...With relative blade and guard adjustment
  64      ...With blade lock
  65      ...Multiple guard
  66      ..Slidable lock
  67      ..Hook and lock
  68      ..Bolt-connected
  69      ...Threaded
  70      ....Multiple guard
  71      .....With relative blade and guard adjustment
  72      ......Flexible blade
  73      .......Spaced guard edge
  74      ..Magnetic
  74.1    ..Multiple guard
  75      ..Aligning means
  76      ..Corner construction
  77      ..Guards
  78      ...Blade-supported
  79      ....With relative blade and guard adjustment
  80      .....Rail guard
  81      ...Edge structure
  82      ....Modified teeth
  83      ...Rail
  84      ..Caps
  85      .Handles
  86      ..Receptacle
  87      ..Pivoted
  88      ...Longitudinal
  89      ...Angularly adjustable handle and head
  90      .Attachments and accessories
  451     STATIC PENCIL SHARPENER
  452     .Plural, sequentially engaged cutters
  453     .With debris receiver
  454     ..Conical or cylindrical work guide
  455     ..Surface type cutter
  456     .Work piece drawn over transverse, single edge cutter
  457     .Having conical or cylindrical work guide
  458     ..And mounting base or handle
  459     ...With diverse feature
  460     ..Open-ended for point protection during writing
  461     ..Adjustable or resilient cutter structure
  462     .Surface type cutter
  475     POWERED PLANER
  476     .With rolling supports (e.g., wheels, casters)
  477     .Tool rotates about axis perpendicular to work
  478     BENCH PLANE
  479     .Core box former type
  480     .Strip cutter
  481     .With gauge or guide
  482     .Having plane extension
  483     .With lubricant dispenser
  484     .To form configured or beveled surface
  485     ..Changable
  486     ..Recess forming
  487     .Having means for adjusting cutting blade
  488     ..Pivoted lever and screww
  489     ..Screw
  490     .Adjustable mouthpiece
  491     .Handle or handle attaching means
  492     .Cutting blade clamp
  493     .Cutting blade
  494     BILLIARD CUE TRIMMER
  495     CYLINDRICAL TENON CUTTER
  90.1    MEANS FOR CUTTING ELONGATE, STRAND-ENCIRCLING SHEATH
  90.2    .Helically wound metal sheath
  90.3    ..Including rotary cutter
  90.4    .Longitudinally
  90.6    ..With additional means for cutting sheath other than
             longitudinally
  90.7    ..Adjustable to also cut sheath other than longitudinally
  90.8    ..With cutter-opposing, sheath-engaging surface
  90.9    ...Roller surface
  91.1    ...Pivotally connected to cutter
  91.2    .With cutter-opposing, sheath-engaging surface pivotally
            connected to cutter
  92      PIPE AND ROD CUTTERS
  92.5    .Adapted to cut pipe or rod longitudinally
  93      .Rotary
  94      ..External
  95      ...Pipe- or rod-encircling
  96      ....With clamping means
  97      .....Rotary power source
  98      .....Ratchet
  99      ....Ratchet
  100     ....Chain link type
  101     ....Disc cutter
  102     ...Disc cutter
  103     ..Internal
  104     ...Eccentrically pivoted
  105     ...Slidably projected
  106     ....Wedge
  107     .....Screw feed
  108     ...Pivoted lever mounted
  109     CIGAR TIP CUTTERS
  110     .Rotary power source
  111     .Hand
  112     ..Pivoted blade
  113     ..Reciprocating blade
  113.1   CORE-PIT REMOVERS
  113.2   .Including pivoted tool-pair members
  113.3   .Combined
  114     SEGMENTERS
  115     PLASTIC MATERIAL CUTTERS
  116     .Wire
  117     ..Plural
  118     BUTTONHOLE TYPE
  119     .With punch
  120     .Shears
  120.1   SHELL OPENERS
  120.2   .Nutcrackers
  120.3   ..Arcuately moved jaws
  120.4   ...Plural or relatively movable pivot
  120.5   ..Lever-actuated jaws
  358     PERFORATING OR INDENTING IMPLEMENTSS
  359     .Combined with other type cutter
  360     .With portion positioned in work aperture
  361     .Work-mounted
  362     .Hand-guided, motor-driven
  363     .Pivoted handles
  364     ..Turret of tools
  365     .Traveling roller
  366     .Pointed
  367     ..With impact drive
  368     ..With stripper, sheath or gauge
  121     TREE HACKS
  121.5   CORN STRIPPERS
  122     CONVERTIBLE
  123     COMBINED CUTLERY OR COMBINED WITH ANCILLARY FEATURE
  123.3   .With means to apply transient fluid to tool
  123.4   ..To chain saw chain or guide therefor
  123.5   .With skin-removal means
  123.6   ..Including relatively movable parts
  123.7   ..Including a pointed blade
  124     .With material-holder or disposal
  125     ..Handle receptacle
  127     ..Twine guide
  128     ..Ejectors or strippers
  129     ...Fork
  130     ...Annular cutter
  131     ..Shears
  132     ...Multiple shearing position
  133     ....Suction-disposal means
  134     ...Grip type
  135     ....Spring-opened
  136     ..Knives and scrapers
  136.5   ...With closure or portable receptacle support
  137     ..Forks
  138     .With sharpening feature
  139     ..Rotary sharpener
  140     .With heater
  141     .Spoons with fluid conductors
  142     .Cutlery
  143     ..Sheathed
  144     ..Saws
  145     ..Nippers and shears
  146     ..Shears and knives
  147     ..Knives, forks, and spoons
  148     ..Knives and forks
  149     ..Knives and spoons
  150     ..Forks and spoons
  151     SHEATHED
  152     .Plural blade
  153     .Folding sheath
  154     .Compound blade movement
  155     .Pivoted blade
  156     ..Detachable blade type
  157     ...End tang connected
  158     ..With blade-opening means
  159     ...Spring-opened
  160     ...Locked blade
  161     ..Locked blade
  162     .Sliding bladee
  163     ..Gravity-opened
  164     .Elements
  164.5   ICE PICK OR CHIPPER TYPE
  164.6   .With impact-moving means
  164.7   .With guard and/or guide
  164.8   .Plural points or edges
  164.9   SCRATCHING IMPLEMENTS
  164.95  .Having traction-rotated tool (e.g., glass cutters)
  165     CUTTING TOOLS
  166.3   .Saw
  369     ..Including contiguous oppositely moving blade portions
  370     ..With work-underlying guard means
  371     ..With work-engaging member
  372     ...Affixed to work
  373     ...Slidable guide plate parallel to saw blade
  374     ...Slidable guide plate intersected by saw blade
  375     ....Including relatively adjustable saw blade and guide plate
  376     .....To vary angle between saw and guide plate
  377     .....To vary projection of saw blade
  378     ...Including means to press work to saw blade
  379     ..On vehicle moved during cutting
  379.5   ..On vehicle, moved relative thereto during cutting
  380     ..Band
  381     ..Chain
  382     ...With guard means
  383     ...With guide bar for cutting span
  384     ....Including nondriving guide pulley
  385     .....And means to adjust guide pulley relative to guide bar
  386     ....Including means to adjust guide bar relative to its support
  387     ....Multisectioned guide bar
  388     ..Rotary
  389     ...With peripheral drive means
  390     ...With guard means
  391     ....Movable to nonguarding position
  392     ..With means to reciprocate saw
  393     ...In uniplanar compound path
  394     ...Including connecting rod articulated with saw blade or
              support
  501     ..Having plural cutting edges
  502     ...Oppositely directed cutting edges
  503     ...Simultaneously cutting
  503.5   ....Parallel cutting
  504     ..Having tooth or blade protective or strengthening means
  505     ..With gauge for limiting depth of cut
  506     ..Mounted in truss frame (e.g., bucksaw)
  507     ..Mounted in U-frame
  508     ...Offset blade
  509     ...Coping saw
  510     ...Extensible
  511     ....Length and depth
  512     ...Collapsible frame
  513     ...Blade-tensioning means
  514     ..With accessory and handle
  515     ...Lubricant dispenser
  516     ...Dust blower
  517     ...Handle
  518     ....Offset
  519     ....Angularly adjustablee
  520     ....Double grip
  521     ....Spindle type (e.g., for double end cross-cut saw)
  522     .....Having side clamping plates
  523     .....Fastener passes through transverse passage in handle
  524     .....Fastener passes through longitudinal extending passage in
                handle
  525     ....Scroll type
  168     .Cold chisels
  167     .Chisel
  167.1   ..Compound
  167.2   ..With gauge
  169     .Scrapers
  170     ..Wheeled
  171     ..Hoe type
  172     ..Plural blade
  173     .Plural cooperating blades
  174     ..Corer type
  175     ..Nippers
  176     ...Multiplex
  177     ...Adjustable-position cutter
  178     ...Form cutter
  179     ...With guide and/or gauge
  180     ...With motor
  181     ...Compound blade movement
  182     ...Reciprocating blade
  183     ....Lever and cam
  184     ....Lever and link
  185     ....Toothed slide and lever
  186     ...Pivoted blade
  187     ....With blade-moving means
  188     .....One movable blade
  189     ......Lever and cam
  190     ......Lever and link
  191     .....Pivoted handles
  192     ......Handles interlinked or geared
  193     ......Common pivot
  194     ..Shears
  195     ...Hair thinners
  196     ...Multiple shearing position
  197     ....Multiplex
  198     ....Body-supported
  199     ....Adjustable angle
  200     ....With cut regulator
  201     .....Adjustable
  202     ......Automatic
  203     ....Convertible, power- or manual-operated
  204     ....Compound blade movement
  205     ....Rotary blade
  206     .....With motor
  207     .....With blade-tension means
  208     ....Reciprocating and/or oscillating blade
  209     .....Reciprocating or oscillating power source
  210     ......With motor
  211     ......Pivoted handles
  212     .......With spring return
  213     ........And blade-tension means
  214     .......With blade-tension means
  215     .....Rotary power sourcee
  216     ......With motor
  217     ......Crank or cam, pitman and lever
  218     ......Crank or cam, lever and slide
  219     ......Crank or cam and lever
  220     ......Crank or cam and slide
  221     .....With blade-tension means
  222     ......And friction reducing feature
  223     ....Blade assembly
  224     .....With friction reducing feature
  225     ....Blades
  226     ...Multiplex
  227     ....With blade-moving means
  228     ...With motor
  229     ...Form cutter
  230     ....Zigzag
  231     ...With supports
  232     ....Hand or finger
  233     ...With guard, guide and/or gauge
  233.5   ....Comb type
  234     ...Spring joint
  235     ....Offset handles and blade
  236     ....Detachable blade
  237     ...Compound blade movement
  238     ....One movable blade
  239     ....Intermediate pivot
  240     ...Rotary blade
  241     ...Reciprocating blade
  242     ....Lever and link
  243     ....Toothed lever and slide
  244     ...Pivoted blade
  245     ....With blade-moving means
  246     .....Push or pull type
  247     .....Rotary power source
  248     .....Offset blade and handle
  249     .....One movable blade
  250     ......Pivoted handle
  251     .......Lever and connecting link
  252     .....Pivoted handles
  253     ....End pivot
  254     ....Intermediate pivot
  255     .....Foldable
  256     .....Right or left hand
  257     .....Offset blade and handle
  258     .....Blade and slot
  259     .....Offset pivot
  260     .....Detachable blade and handle
  261     .....Spring opened or closed
  262     ......With latch
  263     ..Rotary blade
  264     ...With motor
  265     ...Two rotary blades
  266     ..Joints and blade-tension means
  267     ...With friction-reducing feature
  268     ...Spring tension
  269     ....Threadless pin type
  270     ...Nut lock type
  271     ..Stops and bumpers
  272.1   .With blade moving meanss
  273     ..Base-supported
  274     ...Band knife
  275     ...With presser foot
  275.4   ..With support or attaching means
  276     ..Rotary blade
  277     ..Impact
  277.4   ..Including a motor
  278     .With material receiving opening
  279.2   ..Plural blade or cutting edge
  279.4   ...Swinging-stroke vegetation cutter
  279.6   ...Border of opening limits cutting depth, e.g., peeler
  280     ..Push or pull type
  281     ...Spoke shave type
  282     ..With blade guide
  283     ..Adjustable
  284     ...Detachable guard
  285     ..Detachable guard
  286     .With guard and/or guide
  287     ..Plural blade or cutting edge
  288     ..Diverse kinds
  289     ..Blade or material guide
  290     ...With support
  291     ....Hand- or finger-supported
  292     ...Traveling roller blade
  293     ...Adjustable
  294     ...Push or pull type
  295     ..Hand guard
  296.1   .With support or attaching means
  297     ..Leg- or foot-supported
  298     ..Hand- or finger-supported
  298.4   ..Nonuse support
  299     .Plural blade
  300     ..Sweep cutter
  301     ..Annular blade
  302     ...With radiating or crossed blades
  303     ..Radiating or crossed blades
  304     ..Parallel blades
  305     ...Push or stamp type
  306     ..Traveling roller cutter
  307     ...Disc blade
  308     .Cleaver type
  308.1   .Hatchet, ax, or adze
  308.2   ..Foldable to cover bit
  308.3   ..Detachable bit
  309     .Sickle or scythe type
  310     .Sweep cutter
  312     .Plural handle or grip
  313     ..Draw knives
  314     .Push and/or pull type
  315     ..Push or stamp type
  316     ...Annular blade
  317     ..Pull type
  318     .Swing stroke type
  319     .Traveling roller blade
  320     .Adjustable blade
  321     ..Pivoted
  322     FORKS
  323     .With hand guard and/or supportt
  324     SPOONS
  325     .Perforated
  326     .With cover and/or guard
  327     .With support
  328     .Reinforced
  329     HOLDERS FOR DETACHABLE BLADES
  330     .Pivoted part
  331     ..End pivot
  332     .Knockdown holders
  333     ..One movable side
  334     .U-strap holder
  335     .Sliding-blade assembly
  336     ..Spring jaw type
  337     .Interlocked blade and holder
  338     ..Spring jaw type
  339     ..Apertured blade
  340     HANDLES AND BLADE CONNECTIONS
  341     .Shear or nipper type
  342     .Blade connections
  343     ..Cast-on handle
  344     ..Welded, riveted or bolted
  345     MATERIALS
  346     BLADES
  346.5   .Razor blade
  346.51  ..Cutting couple element
  346.52  ..Having indicia
  346.53  ..Of specific material
  346.54  ...Including metallurgical characteristic
  346.55  ..Including details of cutting edge
  346.56  ...Toothed or waved edge
  346.57  ..Having three or more cutting edges
  346.58  ..Composite razor blade
  346.59  ...Interfitting sections
  346.6   ..Reinforces
  346.61  ..Apertured, notched or lugged
  347     .Rotary
  348     .Reinforced
  349     .Detachable cutting edge
  350     .Metallurgical feature
  351     .Apertured, notched or lugged
  352     .Reamer type
  353     .Plural cutting edge
  355     .Toothed or waved
  356     .Longitudinally curved
  357     .Edge structure
  500     IMPLEMENTS ADAPTED TO BE DRIVEN BY DETACHABLE PORTABLE
           POWER-DRIVE MEANS (E.G., ELECTRIC DRILL)
  *       ******************************
  *       DIGESTS
  *       ******************************
  DIG 1   Rechargeable battery operated
  DIG 2   Dry shavers
  DIG 3   Envelope openers
  DIG 4   Explosive
  DIG 5   Lawn edgers
  DIG 6   Resilient means
  DIG 7   Sprinkler and cutter
  DIG 8   Seam ripperss