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: 14
Class Title: BRIDGES
Subclass Subclass
Number Title
* COMBINATION
2 TRUSS AND ARCH
2.4 TRANSPORTABLE
2.5 .Having launching means
2.6 .Floating
3 TRUSS
4 .Arrangement
5 ..Adjustable
6 ..Deck
7 ..Cantilever
8 ...Suspension
9 ..Bowstring
10 ...Adjustable
11 ..Intermediate catenary
12 ..Both chords curved
13 .Structure
.Details
14 ..Connections
15 ..End shoes
18 SUSPENSION
19 .Compound system
20 .Simple system
21 .Towers and anchors
22 .Cables and cable clamps
23 .Constructive apparatus
24 ARCH
25 .Compound
26 .Abutments and anchorages
27 FLOATING
28 .Adjustable height
29 .Draw
30 ..Locking
31 DRAW
32 .Swing
33 ..Hand or motor operated
34 ..Boat operated
35 ..End supports and locking devices
.Bascule
36 ..Fixed pivot
37 ...Hinged sections
38 ...Rack and pinion
39 ..Nonpivoted
40 ...Rack and pinion
41 ..Locking devices
42 .Lift
43 .Horizontally sliding
44 ..Boat operated
45 .Lazy tongs
46 .Locking devices
47 .Aprons
48 .Buffers
49 .Signalss
50 .Gates
..Hand or motor operated
51 ...Horizontally swinging
52 ...Vertically sliding
53 ...Vertically swinging
..Bridge operated
...Displacement
54 ....Horizontally sliding
55 .....Locking
56 ....Horizontally swinging
57 .....Locking
58 ....Vertically sliding
59 .....Locking
60 ....Vertically swinging
61 .....Locking
...Shaft rotation
62 ....Horizontally sliding
63 .....Locking
64 ....Horizontally swinging
65 .....Locking
66 ....Vertically sliding
67 .....Locking
68 ....Vertically swinging
69 .....Locking
69.5 GANGWAY, RAMP, OR DOCK LEVELER
70 .Endless conveyer
71.1 .Attached
71.3 ..With lift means
71.5 ...Attached to fixed structure at first end and with cover
and provision to fit vehicle at second end
71.7 ...Hydraulic powered
72.5 .Wheeled
73 DECK
73.1 .Joint
73.5 EXPANSION DEVICE (E.G., BEARING PAD)
74 COVERING
74.5 GIRDER
75 PIER
76 .Fender
77.1 BRIDGE CONSTRUCTION METHOD
77.3 .Pier
78 MISCELLANEOUS