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: 470
 Class Title: THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND
              APPARATUS

Subclass  Subclass
Number    Title

  1       PROCESS
  2       .Assembling or disassembling fastener with element
  3       ..Bolt or screw with washer
  4       ...By telescoping
  5       ..Attaching cap to fastener
  6       ...Screw fastener
  7       ...Nail fastener
  8       .Making externally threaded fastener, e.g., screw or bolt
  9       ..Screw
  10      ...Forming thread
  11      ..Bolt
  12      ...Having specific configuration
  13      ....U-frame type
  14      ....Hollow bolt type
  15      .....And prong
  16      ....Formed by extrusion
  17      ....Formed by heat treatment
  18      .Making internally threaded fastener, e.g., nut
  19      ..Lock-nut type, e.g., castellated nut
  20      ..Having securement feature
  21      ...Fusible or deformable type
  22      ....Weld nut type
  23      ..Having driver engagement feature, e.g., wing nut, etc.
  24      ..Having decorative feature, e.g., cap nut, etc.
  25      ..Formed by metal working
  26      ...Forging
  27      .Making headed fastener, e.g., rivet or nail, etc.
  28      ..Rivet type
  29      ...Hollow type
  30      ....Having prong
  31      ...Formed by extrusion
  32      ...Formed by heat treatment
  33      ....And pressure, e.g., forging
  34      ..Nail type
  35      ...Horseshoe
  36      ....Formed by heat treatment and metal shaping, i.e., wrought
               type
  37      ....Formed by severing, i.e., cut type
  38      ...Formed by heat treatment and metal shaping, i.e., wrought
              type
  39      ....Spike type
  40      ...Wire type
  41      .Making washer
  42      ..Lock-washer type
  43      APPARATUS HAVING SAFETY MECHANISM
  44      APPARATUS HAVING AUTOMATIC CONTROL
  45      .Having means sensing a condition or change in a condition
  46      .For assembling fastener and washer
  47      APPARATUS HAVING MEANS FOR MEASURING OR TESTING
  48      APPARATUS FOR ASSEMBLING OR DISASSEMBLING FASTENER WITH ELEMENT
  49      .Headed fastener with element, e.g., bolt with nut and washerr
  50      ..Having telescoping means
  51      ..Attaching cap to fastener
  52      ...Screw fastener
  53      ...Nail fastener
  54      ...Having nicking means
  55      ...Having means to feed rectangular stock
  56      ...Having rotatable workholder
  57      APPARATUS FOR MAKING EXTERNALLY THREADED FASTENER OR ARTICLE,
           E.G., SCREW, BOLT, ETC.
  58      .Screw fastener making
  59      ..Wooden screw
  60      ..Having head nicking
  61      ...And shaving means
  62      ...And rotatable workholder
  63      ...Punch and die type
  64      ..Having head shaving means
  65      ..Having pointing means
  66      ..Having thread cutting means
  67      ...Portable
  68      ...And pointing means
  69      ...And severing means
  70      ...Having plural dies
  71      ....Axial aligned
  72      ....Turret mounted
  73      ...Having collapsible die
  74      ....And bevel operator
  75      ....And cam operator
  76      .....Forming taper thread
  77      ....And lever closer
  78      .....Cone type
  79      ....And pivotable chaser carrier
  80      ...Having chaser cutter
  81      ....Rotatable type
  82      ...Having recessed cylindrical die block
  83      ...Having self releasable die holder
  84      ..Having thread swaging means
  85      ...And reciprocable die
  86      .Having bolt pointing means
  87      APPARATUS FOR MAKING INTERNALLY THREADED FASTENER, I.E., NUT
  88      .Castellated nut type
  89      .Having forger
  90      ..And plural rotatable dies
  91      ..And plural punches
  92      ..And coiler
  93      ..And side swagger
  94      ...And mandrel
  95      ..And transfer means
  96      .Having tapper
  97      ..And reamer
  98      ..And work handler
  99      ..And multiple tap spindles
  100     ...Circular gang type
  101     ..And plural tap gripper
  102     ..And release means
  103     ..And yieldable tap driver
  104     ...Feed nut type
  105     ..And finishing means
  106     .Having broaching meanss
  107     .Having milling means
  108     .Having facing means
  109     .Having transfer means
  110     APPARATUS FOR MAKING HEADED FASTENER, E.G., NAIL, RIVET, ETC.
  111     .Horseshoe nail making
  112     ..Cut-type
  113     ...Having finishing means
  114     ....And cutter
  115     ....And rotary workholder
  116     ..Having chain drive
  117     ..Having roll forging means
  118     ...Traveling roll type
  119     ..Having side swage means
  120     ..Having rotary workholder
  121     .Wire nail making
  122     ..String nail type
  123     ..Having multiple header means
  124     ...Opposite end former
  125     ..Having reciprocating die and header
  126     ...And toggle closing dies
  127     ...And wedge closing dies
  128     ..Having distributing means
  129     ..Having rotary workholder
  130     ..Having spiral shank forming means
  131     .Wrought fastener making
  132     ..Spike type
  133     ...Having roller die
  134     ...Having pointing means
  135     ...Having rotary workholder
  136     ..Nail type
  137     .Header means
  138     ..And laterally movable carrier
  139     ...Bolt blank making
  140     .Having plural rotatable dies
  141     .Having reciprocating die and heading means
  142     ..And toggle operator for die movement
  143     ...Bolt blank making
  144     ..And wedge closing dies
  145     ...Bolt blank making
  146     ..Making nail
  147     .Having side swagger
  148     .Having punch means
  149     ..Forming cotter-slot
  150     .Having head finisher
  151     ..Broach type
  152     .Having ejection means
  153     ..And blank shear or cutoff means
  154     .Having transfer means
  155     .Having guage
  156     .Having cutting means
  157     ..Making cut-type nail
  158     ...Tack strip making
  159     ...And heading means
  160     ...And pointing means
  161     ..Forming shank slot
  162     APPARATUS FOR MAKING WASHER
  163     .Lock washer
  164     MATERIAL SUPPLY FEEDER OR DISTRIBUTORR
  165     .Nut or washer delivery means
  166     ..For forger
  167     ..Nut feeder
  168     .Nail plate feeder
  169     ..Having oscillator
  170     ..Having reverser
  171     ...And gear
  172     ....Rack and pinion
  173     ....Segmental type
  174     ..Having roller or drum feeder with strap drive
  175     ..Nipper and nose piece
  176     .Material infeed means
  177     .Having gripper feed jaws
  178     .Having reciprocating lifter
  179     .Having rotary disk
  180     .Having inclined chute
  181     TAP SPINDLE REVERSING DEVICE
  182     .Having spur gears
  183     IMPLEMENT, E.G., DIE, ETC.
  184     .Nail or screw capping die
  185     .Screw threading die
  186     ..Thread trimmming
  187     ..Radial chaser
  188     ...Taper threading
  189     ....Having die-blade adjuster
  190     ...Adjustable
  191     .Bolt or rivet forming die
  192     .Nail forming die
  193     ..Horseshoe type
  194     ...Cut
  195     ..Wire type
  196     ..Wrought type
  197     .Nut or washer forming die
  198     .Tap
  199     ..Combined
  200     ..Radially adjustable
  201     ..Collapsible
  202     ...Cam core
  203     ...Wedge core
  204     ..Thread swage
  205     .Bolt or rivet heading punch
  206     .Nut or washer arbor
  207     .Die holder
  208     .Anvil
  209     MISCELLANEOUS
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  900     FLOATING WORKHOLDER
  901     PIPE OR ROD WORKHOLDER
  902     WORKHOLDER INDEX
  903     YIELDABLE SPINDLE
  904     TURRET
  905     WIRE COIL INSERT
  906     NYLON PLUG LOCK
  907     CLINCH NUT FEEDER