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: 147
Class Title: COOPERING
Subclass Subclass
Number Title
1 BARREL-MAKING MACHINES
6 HEADING MACHINES
2 SETTING-UP MACHINES
3 SETTING-UP FORMERS
4 BARREL-COMPRESSING MACHINES
5 .Cone
49 TRUSS HOOPS
* HOOP DRIVERS
7 .Miscellaneous
8 .Cam-operated
9 .Hydraulic and steam
10 .Lever-operated
11 .Screw-operated
12 .Weight
* CROZING AND CHAMFERING BARRELS
.Clamped barrel
13 ..Rotary cutter head
.Rotating barrel
14 ..Expansible cutter head
15 ..Rotary cutter head
16 ..Sliding tool
17 ..Swinging tool
24 .Hand crozes
* CROZING STAVES
18 .Miscellaneous
.Rotary cutter
19 ..Endless stave carriage
20 ..Sliding stave carriage
21 ..Swinging stave carriage
22 ..Swinging
23 .Sliding knife
* JOINTING STAVES
25 .Miscellaneous
.Inclined molding heads
26 ..Vertically movable bed
.Rotary cutter
27 ..Pattern feed
28 .Converging saws
29 .Disk cutter head
.Single saw
30 ..Sliding carriage
31 ..Tilting carriage
32 .Slicing knife
33 .Sliding plane
.Traveling saw
34 ..Curved guide
35 .Longitudinal cutter cylinder
35.5 SHAPING STAVES
* BARREL HEAD-MAKING
36 .Miscellaneous
.Fixed chuck
37 ..Rotary scribing tooll
38 .Rotary saw
.Rotary chuck
39 ..Chisel cutter
40 ..Double molding cutter
41 .Hand scribers
42 CHAMFERING TOOLS
* HOOP MACHINES
43 .Miscellaneous
44 .Racking
45 .Lapping and pointing
46 .Lock-cutting
48 BASKET-FORMING