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
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363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 142 Class Title: WOOD TURNING Subclass Subclass Number Title 1 MISCELLANEOUS * POLYGONAL SECTION 2 .Annular work holders 52 ..Chucks * PATTERN SECTION 3 .Many-spindle lathes .Oval form 16 ..Guided chucks 51 ...Counterpoises .Copying ..Cutter 7 ...Laterally and longitudinally movable ...Rotary 11 ....Fixed bearings 13 ...Laterally movable 15 ...Longitudinally movable .Clamped work ..Cutter chisel 8 ...Laterally and longitudinally movable .Cam controlled ..Cutter 6 ...Laterally and longitudinally movable ...Rotary 10 ....Fixed bearings 12 ...Laterally movable 14 ...Longitudinally movable .Cutter 9 ..Rotary * CIRCULAR SECTION 4 .Many-spindle lathes 5 ..Automatic spindle feed .Spiral grooving 23 ..Hollow cutter head ..Cutter 26 ...Rotary 24 ....Pattern guide 25 ....Hollow mandrel 33 ....Rack-and-pinion feed 34 ....Roller feed 35 ...Chisel 17 .Automatic spindles lathes 18 ..Endless feed 19 ...Disk 20 ..Chute feed .Clamped work ..Hollow cutter head 45 ...End turning ..Cutter chisel 46 ...Longitudinally movable 32 .Hollow cutter head 31 ..Cutter chisel 27 ...Radially movable, pattern guidee 28 ....Rotary ...Pattern 30 ....Radially movable 29 ...Radially movable .Cutters ..Chisels, plain and pattern 21 ...Pattern guide ..Rotary and chisel 22 ...Pattern .Cutter ..Slicing 36 ...Longitudinally movable 40 ..Rotary 37 ...Pattern guide 41 ...Pattern 42 ..Chisel 38 ...Pattern guide 39 ....Rotary 43 ...Pattern 44 ....Disk 47 CARRIAGE FEED 48 TOOL RESTS AND WORK SUPPORTS 49 TOOL RESTS * STEADY RESTS 50 .Yielding 53 LATHE CENTERS 54 HOLLOW MANDRELS 55 ATTACHMENTS 56 TURNING TOOLS * WORK HOLDERS 57 .Socket