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Class Information
Number: 37/53
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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