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: 409
 Class Title: GEAR CUTTING, MILLING, OR PLANING

Subclass  Subclass
Number    Title

  1       GEAR CUTTING
  2       .With regulation of operation by use of templet, card, or other
            replaceable information supply
  3       ..Including follower for templet
  4       .And burnishing simultaneously
  5       .With compensation for backlash in drive means
  6       .With work or product advancing
  7       ..Utilizing transfer arm
  8       .Gear chamfering or deburring
  9       ..Using relatively reciprocating or oscillating cutter
  10      .Gear tooth shape generating
  11      ..Hobbing
  12      ...Process
  13      ....Generating tooth for bevel gear
  14      ...Including means to shift hob between cutting passes
  15      ...With control means energized in response to activator
              stimulated by condition sensor
  16      ...Plural hobs
  17      ...Including infeed means
  18      ....To infeed along axis of work rotation
  19      .....Infeed of cutter
  20      ......And infeed radially of axis of work rotation
  21      ......Vertically
  22      ....To infeed radially of axis of work rotation
  23      .....Infeed of cutter
  24      ......And infeed tangentially of work axis
  25      ..Milling with radial faced tool
  26      ...Process
  27      ...Adapted to cut bevel gear
  28      ....With means to continuously rotate work and means to co-form
               all teeth of gear
  29      ....Bevel gear having nonparallel opposing tooth flanks
  30      ....Including rotary cutter cradle
  31      ..By relative axial movement between synchronously indexing or
             rotating work and cutter
  32      ...Crowning
  33      ...Displacing cutter axially relative to work (e.g., gear
              shaving, etc.)
  34      ....Using gear shaper-cutter
  35      .....Plural distinct cutting edges
  36      .....Cutting rotating work, the axis of which lies in a plane
                intersecting the cutter axis
  37      ..Gear shaving
  38      ..Using rotary cutter
  39      ...Having axially directed cutting edge
  40      ...Plural rotary cutters
  41      ...On reciprocating carriage
  42      ..Using reciprocating or oscillating cutter
  43      ...Bevel gear cutting
  44      ....Dual cutters
  45      ....Double acting cutter
  46      ...Rectilinearly reciprocating cutterr
  47      ....Cutter comprising a rack
  48      ..Making a noncircular gear, worm, rotor, or a planar-faced
             gear
  49      .Gear shaving
  50      .Using rotary cutter
  51      ..Process
  52      ..End mill
  53      ...Radially faced
  54      ....Using plural, selectively usable tools
  55      ..Plural rotary cutters
  56      ..Cutting action along work axis
  57      ...Cutting action intersecting work axis
  58      .Using reciprocating or oscillating cutter
  59      ..Broach
  60      ..Including circumferentially disposed cutting edges
  61      .Work dividing or checking of work position or division
  62      .With work clamping
  63      WITH FURBISHING OF CUTTER
  64      MILLING
  65      .Thread or helix generating
  66      ..Process
  67      ..With means to regulate operation by use of templet, card, or
             other replaceable information supply
  68      ...Complete cycle
  69      ...To regulate cutting depth (e.g., relief, taper, etc.)
  70      ...To regulate rate of motion (e.g., stopping, etc.)
  71      ..With nonthread or nonhelix generating, milling cutter
  72      ..With means to advance work or product
  73      ..Plural cutters or work holders
  74      ..With planetary cutter
  75      ..Work means to move work axially and means to interrelate work
             movement with cutter rotation
  76      ..With means to rotate work and means to interrelatedly infeed
             the work relative to the cutter
  77      ...Means to infeed the cutter
  78      ..With means to circumferentially adjust the position of the
             cutter with respect to the work
  79      .With regulation of operation by templet, card, or other
            replaceable information supply
  80      ..With sensing of numerical information and regulation without
             mechanical connection between sensing means and regulated
             means (i.e., numerical control)
  81      ..To cut lock key
  82      ...Using templet other than a key
  83      ...Complete cycle
  84      ..Process
  85      ..Reproducing means
  86      ...Including pantograph cutter-carrier
  87      ....And means to move work at work station
  88      .....About work axis
  89      ....Pivotally supported for vertical movement
  90      ....And means to counterbalance carrier
  91      ....Including plural cutters
  92      ...By use of pivotally supported tracer
  93      ...Duplicating means
  94      ....With means for operation without manual intervention
  95      .....To make a double curvature foil
  96      .....Including means to sense optical or magnetic imagee
  97      .....With means to support templet above or under work
  98      .....Including tracer adapted to trigger electrical energy
  99      ......To actuate electrically driven work or tool moving means
  100     ......To actuate fluid driven work or tool moving means
  101     .....Including tracer adapted to trigger fluid energy
  102     ......To actuate fluid driven work or tool moving means
  103     .......Including cutter and tracer fixed to move laterally
                  together
  104     .....And provision for circumferential relative movement of
                cutter and work
  105     ......Including plural cutters
  106     .....Including plural cutters
  107     .....Including cross-slide tool carrier
  108     ....Including plural cutters
  109     ....Including cross-slide tool carrier
  110     ....With means to support templet above or under work
  111     ....With provision for circumferential relative movement of
               cutter and work
  112     ...With provision for circumferential relative movement of
              cutter and work
  113     ....And means for operation without manual intervention
  114     .....Including tracer adapted to trigger electrical or fluid
                energy
  115     ...For using planar templet in cutting profile (e.g., contour
              map from planar map, etc.)
  116     ...Including means for operation without manual intervention
  117     ..Including means for operation without manual intervention
  118     ...Including simultaneously usable plural tracers or including
              tracer adapted to simultaneously use plural templets
  119     ....To make a double curvature foil
  120     ...To make a double curvature foil
  121     ...Including cutter and tracer fixed to move together
  122     ...With provision for circumferential relative movement of
              cutter and work
  123     ..And provision for circumferential relative movement of cutter
             and work
  124     ..Including cutter and tracer fixed to move together
  125     .Templet, tracer, or cutter
  126     ..Tracer
  127     ...Adapted to trigger electrical energy
  128     ....Photocell
  129     ...Adapted to trigger fluid energy
  130     ..Templet
  131     .Process
  132     ..Including infeeding
  133     .With means to weigh or test work or product
  134     .With means to protect operative or machine (e.g., guard, safety
            device, etc.)
  135     .With means to control temperature or lubricate
  136     ..Cutter or work
  137     .With means to remove chip
  138     .Means to trim edge
  139     .Means to remove scale or raised surface imperfection
  140     ..Means to remove flash or burr
  141     .With means to dampen vibration
  142     .Means to mill epitrochoidal shape
  143     .Means for internal milling
  144     .With detachable or auxiliary cutter support to convert cuttingg
            action
  145     .Including means to infeed work to cutter
  146     ..With compensation for backlash in drive means
  147     ..With control means energized in response to activator
             stimulated by condition sensor
  148     ...In response to cutter or cutter carriage
  149     ...In response to work or work carriage
  150     ....To control rate of infeed or return
  151     ....To control limit of infeed
  152     .....Adapted to hydraulically or pneumatically stimulate
                control
  153     .....Adapted to electrically stimulate control
  154     ...To control rate of infeed or return
  155     ...To effect stopping of infeed
  156     ..With means to change rate of infeed
  157     ..Means to mill indeterminate length work
  158     ..Multiple work stations
  159     ..With means to advance work or product
  160     ...Vertically
  161     ...Endless or orbital work or product advancing means
  162     ..To reciprocate or oscillate work
  163     ..With work holder
  164     ...And means to selectively position work
  165     ...Including means to support work for rotation during
              operation
  166     ....And including means to infeed cutter toward work axis
  167     ....With linear movement of work
  168     ....With angular movement of work
  169     ..Including friction gearing drive
  170     ..Including fluid drive
  171     .With means to effect stopping upon completion of operation
  172     .With means to advance work or product
  173     ..Endless or orbital work or product advancing means
  174     .With means to precisely reposition work
  175     .Randomly manipulated, work supported, or work following device
  176     ..For machining commutator
  177     ..For cutting longitudinal groove in shaft (e.g., keyway, etc.)
  178     ..With work supported guide means
  179     ...To guide tool to move in arcuate path
  180     ..With work follower
  181     ..Randomly manipulated
  182     ...End mill (e.g., router, etc.)
  183     .Including means to infeed rotary cutter toward work
  184     ..With means to limit penetration into work
  185     ..Axially
  186     ...With infeed control means energized in response to activator
              stimulated by condition sensor
  187     ....In response to cutter condition
  188     ....In response to work condition
  189     ...With work holder
  190     ...And laterally
  191     ....Simultaneously
  192     ...Plural cutters
  193     ..With infeed control means energized in response to activator
             stimulated by condition sensor
  194     ...In response to cutter condition
  195     ...In response to work condition
  196     ..With means to change rate of infeedd
  197     ..With work holder
  198     ...Indexable
  199     ..Machining arcuate surface
  200     ...With means to move cutter eccentrically
  201     ..Angularly adjustable cutter head
  202     ..Including gantry-type cutter-carrier
  203     ..Plural cutters
  204     .Including means to adustably position cutter
  205     ..With work holder or guide
  206     ..Linear adjustment
  207     ...With control for adjustment means responsive to activator
              stimulated by condition sensor
  208     ....Responsive to position of cutter
  209     ....And means to clamp cutter support in adjusted position
  210     ...With position indicator or limit means
  211     ...And angular adjustment
  212     ...Including gantry-type cutter-carrier
  213     ...Plural cutters
  214     ..With position indicator or limit means
  215     ..With right angle cutter drive
  216     ..Compound angular adjustment
  217     ..Plural cutters
  218     .With limit means to aid in positioning of cutter bit or work
            (e.g., gauge, stop, etc.)
  219     .Work support
  220     ..With position indicator or stop
  221     ..Indexable
  222     ...Including dividing head
  223     ....Multiple row dividing head
  224     ..With angular adjustment
  225     ..With work holder or guide
  226     ...Including cutter limited to rotary motion
  227     ..With means to adjust work support vertically
  228     .Including cutter limited to rotary motion
  229     ..Cutter turning about vertical axis
  230     .Detachable or repositionable tool head
  231     .Cutter spindle or spindle support
  232     ..With cutter holder
  233     ...And draw bar
  234     .With cutter holder
  235     .Machine frame
  236     ..Overarm harness structure
  237     ..Including counterbalancing means
  238     ..Including means to compensate for deformation
  239     ...Deflection of cutter spindle
  240     ..Convertible from lathe
  241     ..Including relatively movable components and means to
             relatively immobilize these components
  242     .Tailstock
  243     BROACHING
  244     .Process
  245     .With control means energized in response to activator
            stimulated by condition sensor
  246     ..Responsive to condition of work or product
  247     .With means to distribute cutter infeed force
  248     .With means to select cutter or to select or modify cutter
            drive
  249     .With means to clean, lubricate, or modify temperature of workk
            or cutter
  250     .With product handling means
  251     ..Between plural broaching stations
  252     ..Means to eject broached product
  253     ..Chip removal means
  254     .With means to protect operative or machine (e.g., guard, safety
            device, etc.)
  255     ..With safety means for overload or safety interlock
  256     .With work immobilizer and means to activate work immobilizer
            interrelated with cutter infeed, work infeed, or work advance
  257     .With work infeed or advancing means and means to clamp the work
            thereto, which clamping means is interrelated with work or
            cutter infeed
  258     .Means to remove flash or burr
  259     .Means for cutting groove
  260     ..Arcuate groove in cylindrical surface
  261     ...Rifling
  262     .Orbital carrier for cutter
  263     .Orbital carrier for work
  264     .With means to cyclically manipulate cutter or cutter support
  265     ..To reorient, introduce, or remove cutter
  266     ..Cutter released to interim support at termination of cutting
             stroke
  267     ..To remove and return cutter to cutter support
  268     .With plural cutters
  269     .With means to advance, infeed, or manipulate work
  270     ..Interrelated with cutter infeed
  271     ...Including means supporting work and additional means opposing
              infeed force
  272     ...Including work indexing means for sequential cutting of
              different surfaces of a single workpiece
  273     ...Including work indexing means for sequential cutting of
              surfaces of different workpieces
  274     ...With means to retract work from path of tool's idle return
              stroke
  275     ..To infeed work past cutter
  276     .With means to hold work during cutting
  277     ..Including work clamping means
  278     ..With means to adjust or facilitate adjustment of work or work
             holder
  279     ..With means on work or work holder to guide cutter during
             infeed
  280     .Cutter infeed means
  281     ..Imparting rectilinear motion to cutter
  282     ...And rotary motion to cutter
  283     ...Fluid powered means
  284     ...Rack means
  285     ...Screw means
  286     .Machine frame
  287     .Cutter support or guide
  288     PLANING
  289     .With regulation of operation by templet, card, or other
            replaceable information supply
  290     ..Including use of tracer adapted to trigger electrical or fluid
             energy
  291     ...Including provision for circumferential relative movement of
              cutter and work
  292     ..Including provision for circumferential relative movement off
             cutter and work
  293     .Process
  294     .With means to lubricate
  295     .With product handling means
  296     .Randomly manipulated, work supported, or work following device
  297     .Means to remove flash or burr
  298     ..Elongated work
  299     ...Flash or burr inside hollow work
  300     ...Transverse burr
  301     ..Flat work
  302     .Of commutator
  303     .Means for trimming edge (e.g., chamfering, scarfing, etc.)
  304     .Means for cutting groove
  305     ..Arcuate groove
  306     ...For rifling
  307     ..Inside hollow work
  308     .Means for shaving by blade spanning work surface
  309     ..Concave work surface (e.g., bearing, stereotype printing
             plate, etc,)
  310     ..Circumferential surface
  311     ..Including rack driven infeed means
  312     ..Including roller infeed means
  313     .Means for cutting arcuate surface
  314     ..Cycloidal surface
  315     ..With work infeed and means to arcuately reposition the cutter
  316     ..With work infeed and means to arcuately reposition the work
  317     .With means to relatively infeed cutter and work
  318     ..And means to rotate work and cutter at same rate about
             converging axes
  319     ..With plural sequentially acting cutters or with double acting
             cutter
  320     ..And means to vary rate of infeed
  321     ..Reciprocating work infeed means
  322     ...With fluid-driven bed
  323     ...With rack-driven bed
  324     ...With screw-driven bed
  325     ...And means to permit repositioning of cutter laterally
  326     ..Reciprocating cutter infeed means
  327     ...Reciprocating cutter horizontally
  328     ....With work support and lead screw to reposition work support
  329     ....With fluid-powered means to drive cutter
  330     ....With pivoting link to drive cutter
  331     .....Link driven by crank
  332     ....With rack to drive cutter
  333     ....With screw to drive cutter
  334     ...With link or cam to drive cutter
  335     ...With rack to drive cutter
  336     ..Including means causing return stroke
  337     .Machine frame
  338     ..Means to permit repositioning of cutter
  339     ...Laterally
  340     ....Plural independently positioned cutters
  341     ....Including clutch
  342     ....Including repositioning means and means to effect stopping
               thereof
  343     ..Including relatively movable components and means to
             relatively immobilize these components
  344     ..Work tablee
  345     .Tool head
  346     ..With selectively usable cutting edges
  347     ..With means to permit repositioning of cutting for idle return
             stroke
  348     ...Comprising pivotable cutter or cutter support
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  900.1   MACHINE BUTTON OR LOCATOR
  900.2   MACHINE TOOL CARRIAGE CLAMP
  901     STEREOTYPE PRINTING PLATE
  902     TIRE MOLD
  903     WORK HOLDER
  904     WITH HYDROSTATIC BEARING