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Construction
Class Information
Number:
37/141R
Name:
Excavating
>
Description:
Sub-classes under this class:
Class Number
Class Name
Patents
37/104
Railway graders
128
37/142.5
Ditch filler
110
37/182
Orange-peel buckets
2
37/189
Rotary digger
133
37/195
Processes
175
37/196
Snow or ice removing or grooming by portable device
24
37/3
Peat excavators
10
37/300
Grave digger
7
37/301
Land clearer
41
37/304
Self-loading vehicle
18
37/307
Beneath a body of water (e.g., dredger)
40
37/347
Ditcher
48
37/381
Road grader-type
20
37/394
Cable-operated (e.g., dragline)
21
37/403
Combined or convertible
269
37/411
Scoop or excavating and transporting container
34
37/446
Digging edge
71
37/461
Clamshell bucket
27
37/462
Endless digger
30
37/466
Miscellaneous
78
37/901
Bucket cleaners
37
37/902
Hydraulic motors
13
37/903
Scoop or scraper attachments
172
37/904
Vibration means for excavating tool
83
37/905
Nondredge excavating by fluid contact or explosion
18
37/906
Visual aids and indicators for excavating tool
18
37/907
Automatic leveling excavators
51
37/908
Canal cleaners
6
Patents under this class:
Patent Number
Title Of Patent
Date Issued
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