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: 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