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.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
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Class Number: 112
 Class Title: SEWING

Subclass  Subclass
Number    Title

  400     PRODUCTS
  401     .Uniplanar sectional web, sheet or layer
  402     .Sewn web or sheet
  403     ..Including decomposable thread or component
  404     ..Including feathers, beads or reflective material
  405     ..With longitudinally non-coextensive super-imposed panel or
             sheet
  406     ..Including external fastener sewn thereto
  407     ...Hook and/or eye
  408     ...Button
  409     ..Fringed
  410     ..Tufted or looped surface
  411     ...With tufts or loops formed by floating strand-like portions
  412     ..Of strands or strand portions joined by sewing
  413     ..Elastic strand or component
  414     ...Including non-planar component
  415     ..Specific strand arrangement or relationship
  416     ...Knitted, netted or knotted
  417     ..With strip, strand or strand portion between layers or
             components
  418     ..With strip sewn in or over seam or over edge (e.g., welt or
             stay)
  419     ...Channel-shaped edge binding
  420     ..Fibrous or particulate layer between other layers
  421     ..Including component of varying thickness
  422     ..Non-planar uniform-thickness material
  423     ...Bent flange or reverse fold at edge
  424     ....Including concealed or blind stitching
  425     .....Overedge or along offset fold
  426     ....Included in seam joining contiguous components
  427     ...Pleated, tucked or shirred
  428     ...Plural components
  429     ..Filamentary material or strand-like tape sewn to surface
  430     ...Interlooped floating strands or strand portions
  431     ...Around aperture (e.g., buttonhole)
  432     ...Connecting parallel straight lines of stitching
  433     ....Included in overedge stitching
  434     ....Uniting contiguous components
  435     .....Plural intersecting float threads
  436     ...Incorporated with or held by overedge stitching
  437     ..Apertured or open-work (e.g., buttonhole)
  438     ..Chain stitch
  439     ..Ornamental stitching (e.g., embroidery)
  440     ..United components
  441     ...By stitching along edge
  2       SPECIAL MACHINES
  2.1     .Mattress sewing
  2.2     ..Tufting
  4       .Jacquard card sewing
  6       .Broom sewing
  7       .Carpet sewing
  8       ..Clampss
  9       .Rug sewing
  10      .Bag sewing
  11      .Sewing filled sacks
  12      .Sewing hats
  13      ..Work supports
  14      ...Rotary
  15      ..Guides and pages
  16      .Glove and fur sewing
  17      ..Dyeing feature
  18      ..Work holding and feeding
  19      ...Clamp
  20      ..Guiding
  21      .Book sewing
  22      ..Knotting
  23      .Straw braid
  24      .Straw sewing
  25      .Looped fabrics
  26      ..Preparing
  27      ..Work holding and feeding
  28      .Leather sewing
         ..Shoe sole
  29      ...Separating and indenting
  30      ...Tack pulling
  31      ...Fair stitch
  32      ...Loop lock
  33      ...Tongue lock
  34      ...Chain stitch
  35      ....Curved needle
  36      ...Lock stitch
  37      ....Curved needle
  38      .....Oscillating and rotating shuttle
  39      ...Back gauges and rests
  40      ...Guards
  41      ..Heating
  42      ..Waxing
  43      ..Lubricating and moistening
  44      ..Welt slitting and beveling
  45      ..Channeling
  46      ..Welt handling
  47      ..Feeding
  48      ...Awl
  49      ...Needle
  50      ..Channel guides
  51      ..Edge and crease guides
  52      ..Welt guides
  53      ..Chain stitch
  54      ..Lock stitch
         ..Thread handling
  55      ...Orbital-movement loopers
  56      ...Cast-offs
  57      ...Take-ups
  58      ...Pull-offs
  59      ...Tensions
  60      ..Presser devices
  61      ...Locking
  62      ..Work supports
  63      .Tube forming
  64      .Fringe formingg
  65      .Buttonhole
  66      ..Eyelet making
  67      ..Start and stop mechanism
  68      ..Cutting
  69      ..Thrum mechanism
  70      ..Clamp feeding
  71      ...With rotatable needle bar
  72      ...Right line and rotary
  73      ...Vibrating needle
  74      ...Spreading
  75      ...Gauging
  76      ...Clamps
  77      ...Attachments
  78      .Embroidering
  80.01   ..Tufting (replacing subclass 79)
  80.02   ...Rooting hair in doll or wig
  80.03   ...Hand implement
  80.04   ....With power drive
  80.05   ....Having hollow or channelled needle
  80.06   ....Having non-eyed needle
  80.07   ...Yarn manipulation by fluid flow
  80.08   ....Having hollow needle
  80.15   ...Dual sided
  80.16   ...Including hollow or channelled needle
  80.17   ...Including non-eyed needle
  80.18   ...With condition responsive stop motion means
  80.23   ...With optical, electronic, or magnetic pattern program
              means
  80.24   ....Having pattern drum
  80.3    ...With specific fabric supporting, manipulating, cutting,
              or treating means
  80.31   ....Means to shift fabric laterally of feed
  80.32   ....Means to feed fabric
  80.33   ....Fabric vertically moveable at tufting position
  80.4    ...Including specific needle supporting or manipulating
              means
  80.41   ....Means to shift needle laterally of fabric feed
  80.42   ....Means to vertically adjust stroke
  80.43   ....Means to selectively drive one of plural needles
  80.44   ....Means to disconnect needle and drive
  80.45   ....Supporting structure
  80.5    ...Including specific loop catcher
  80.51   ....Bill with clip or gate
  80.52   ....Plural loop catchers having different shapes or
               orientations
  80.53   .....Stationary relative to one another
  80.54   ....Variable height loops
  80.55   ....With loop cutting means
  80.56   .....Selective cutting means
  80.57   .....Rotary cutter
  80.58   .....Knife pivots on loop catcher
  80.59   .....Cutting means stationary relative to loop catcher
  80.6    .....Including supporting structure (e.g., knife block)
  80.7    ...Including specific yarn manipulating, cutting, or
              treating means
  80.71   ....Cutting or treating means
  80.72   ....Feed via intermeshing slats
  80.73   ....Feed rollerr
  81      ..Hemstitch
  82      ...Universal feed
  83      ..Horizontal needle
  84      ...Pattern controlled
  85      ....Boring
  86      ....Fabric shifting
  87      ...Stopping
  88      ...Article attaching
  89      ...Boring
  90      ...Fabric shifting
  91      ....Balancing
  92      ....Spring
  93      ...Stitch forming
  94      ....Short thread
  95      ....Shuttle type
  96      ....Thread take-up
  97      ....Thread tension
  98      ..Vertical needle
  99      ...Attaching ornaments
  100     ....Thread
  101     .....Attachments
  102     ...Fabric shifting
  103     ....Frames
  104     .Article attaching
  105     ..Hook and eye
  106     ...Feeding
  107     ...Carriers
  108     ..Eye-shank button
  109     ...Vibrating needle
  110     ..Flat button
  111     ...Vibrated needle
  112     ...Vibrated clamp
  113     ..Feeding
  114     ..Clamps
  115     ..Attachments
  116     .Crocheting
  117     .Quilting
  118     ..Fabric shifting
  119     ...Frames
  120     .Infolding
  121     .Darning
  121.11  .Pattern controlled or programmed
  121.12  ..Work carrier and support
  121.13  .Stitch control
  121.14  .Traveling
  121.15  .Work carrier and support
  121.16  .Tuft making
  121.17  .Feather sewing
  121.18  .Spiral feed
  121.19  .Stringing
  121.2   .Lacing or whipping, e.g., covering rings
  121.21  .Sewing hemp-sole shoes
  121.22  .Neckties
  121.23  .Upholstery
  121.24  .Circular line of stitch
  121.25  .Stitch marking
  121.26  .Fabric tensioning
  121.27  .Elongated articles, e.g., belt, waistband and belt loopp
  121.28  .Spherical object, e.g., baseball cover sewing
  121.29  .Completed-work handling
  *       WORK MANIPULATING
  122     .Trimmers
  122.1   ..Having specified stitching mechanism
  122.2   ...Pinker
  122.3   ..Rotary cutter
  122.4   ...Pinker
  125     ..Manual control
  126     ..Laterally adjustable
  127     ..Ply separating
  128     ..Needle-bar operated
  129     ..Cutters
  130     .Severing
  131     .Creasers and markers
  132     .Rufflers and gatherers
  133     ..Smocking
  134     ..Attachments
  135     ...Vibrating blade
  136     .Guides
  137     ..Binders
  138     ...Strip reversing
  139     ..Braiders and corders
  140     ..Blind stitch
  141     ..Hemmers
  142     ...Lap seam
  143     ...Adjustable
  144     ..Tucking
  145     ...Box plait
  146     ...Spacing
  147     ..Folding
  148     ..Fabric holding
  149     ..Fringe turning
  150     ..Pressure
  151     ..Presser bar attached
  152     ..Strip
  153     ..Edge
  154     STITCH FORMING
  155     .Multiple machines
  156     .Knot tying
  157     .Zigzag
  443     ..Vibrating needle
  159     ...Shifting looper
  444     ...Having indicator
  445     ....And specified electronic memory
  446     ...Closed pattern sewing (e.g., buttonhole)
  447     ....Including electronic memory
  448     ....Having cam actuation of needle or material feed
  449     .....And means to change, without operator intervention, stitch
                width or material feed
  450     ...Basting stitch or skipping stitch
  451     ...Backstitch
  452     ...Having multiple needles
  453     ...Having electronic memory
  454     ....Plural diverse patterns in series
  455     ....Having computer control of linkage intermediate motor and
               needle or material feed
  456     ....Including means to calculate needle or material feedd
               parameters
  457     ....Including programmable or detachable memory
  458     ....Including pattern selection means
  459     ...Having cam actuation of needle or material feed
  460     ....Including detachable cam
  461     ....And specified material feed
  462     .....And fine adjustment of stitch width or material feed
  463     .....And plural, selectively used cams
  464     ....Including fine adjustment of stitch width
  465     ....Including plural, selectively used cams
  466     .....And plural followers
  467     ...Having specified looptaker structure
  160     ..Surging
  161     ..Purling
  162     .Overseaming
  163     .Multiple needle
  164     ..Shuttle type
  165     ..Chain and double chain
  166     ...Multiple looper
  167     ..Adjustable
  168     .Convertible
  169     .Hand implements
  170     .Short thread
  171     ..Double-pointed needle
  172     ..Overedge
  173     .Running stitch
  174     ..Crimping
  175     ..Stationary needle
  176     .Blind stitch
  177     ..Overseaming
  178     ..Work handling
  179     .False hemstitch
  180     .Bobbin ejector
  181     .Revolving-hook type
  182     ..Timing
  183     ..Reciprocating bobbin
  184     ..Vertical axis
  185     .Shuttle type
  186     ..Shuttle replenishing
  187     ..Loop spreaders
  188     ..Bobbin latch
  189     ..Rotary
  190     ...Timing
  191     ...Vertical axis
  192     ..Oscillatory
  193     ...Vertical axis
  194     ..Reciprocatory
  195     ...Longitudinal
  196     ..Holders and raceways
  197     .Chain or double chain
  198     ..Hooked needle
  199     ..Oscillating or reciprocating looper
  200     ..Four-motion looper
  201     ..Rotating looper
  202     ..Vertical-axis looper
  303     .Feeding work material
  304     ..By endless conveyor
  305     ..Under tensionn
  306     ..Having means to align work
  307     ..Work of indeterminate length
  308     ..Having curvate feature
  309     ...Capable of feeding through 360 degrees
  310     ..Needle and helper
  311     ..Clamp type
  312     ..Plural differential feed means
  313     ...Having adjustment feature
  314     ..Having adjustment feature
  315     ...Stitch length
  316     ....Reversible feed direction
  317     ...Reversible feed direction
  318     ...Rotary feed
  319     ...Intermittent feed
  320     ..Engaging upper side of work material
  321     ...Needle acts as feed means
  322     ..Rotary feed
  323     ..Four motion feed
  324     ..Feed dog structure
  217     .Seam finishing
  217.1   WITH TABLES OR STANDS
  217.2   .For plural sewing units
  217.3   .With power control or clutch
  217.4   ..Conversion of foot-treadle driven machine
  270     ELEMENTS
  271     .Starting or stopping
  272     ..Work sensing
  273     ..Thread sensing
  274     ..With element positioning
  275     ...Electrically operated
  276     ..Fluid operated or controlled
  277     ..Electrically operated or controlled
  278     .Thread sensing
  279     .Bobbin winding
  280     .Cooling
  281     ..Needle
  282     .Waste extraction
  283     .Fly wheels
  284     .Linkage systems
  220     .Driving mechanisms
  221     ..Needle
  222     .Needles
  223     ..Thread releasing
  224     ..Threading structure
  225     ..Setting and threading attachments
  226     ..Clamping
  227     ..Guiding
  228     .Revolving hooks
  229     ..Bobbin tensioning
  230     ..Sectional
  231     ..Bobbin holders and casings
  232     .Shuttles
  233     ..Tensioning
  234     ..Longitudinally reciprocating
  235     .Presser devices
  236     ..Embroidering and darning
  237     ..Lifting
  238     ...With tension releasee
  239     ...Automatic
  240     ..Detachable connections
  241     .Take-ups
  242     ..Pull-offs
  243     ...Automatic control
  244     ..Presser-bar controlled
  245     ..Needle-bar actuated
  246     ..Adjustable
  247     ..Resilient
  248     ..Rotary
  249     ..Stationary cam
  250     ..Clamp carrying
  285     .Thread cutting, severing or breaking
  286     ..With thread wiping
  287     ..With thread disposal by air flow
  288     ..Thread chain
  289     ..Rotary type
  290     ..Hot wire type
  291     ..Upper and lower threads
  292     ...Single cutter
  293     ..Upper thread
  294     ...Scissors type
  295     ...Single blade cutter
  296     ..Lower thread
  297     ...Scissors type
  298     ...Single blade cutter
  299     ..Manual control
  300     ..Electrically actuated
  301     ..Fluid actuated
  253     .Thread end clamps
  302     .Thread guiding or handling
  254     .Tensioning
  255     ..Intermittent
  256     .Lubricating
  257     .Attachment holders
  258     .Frames
  259     ..Heads
  260     ..Work supports
  261     .Guards
  262.1   METHODS
  262.2   .Tubelike workpiece, e.g., hosiery, necktie, etc.
  262.3   .Workpiece manipulated by mechanical means, other than
            straight-line feeding
  263.1   .Headwear sewing
  264.1   .Buttonhole or eyelet forming
  265.1   .Article attaching
  265.2   ..Slide fastener or zipper tapes
  266.1   .Ornamental stitching
  266.2   ..Pilelike fabric forming, e.g., tufting
  267.1   .Blind stitch forming
  268.1   ..Overedge
  269.1   .Overedge
  1       MISCELLANEOUS
  *       ******************************
  *       DIGESTS
  *       ******************************
  DIG 1   Suction thread cutting
  DIG 2   Air work handlingg
  DIG 3   Pneumatic