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Class Information
Number:
172/371
Name:
Earth working
>
Guided by walking attendant; supported, propelled, or held in position by attendant
> Hand tool
Description:
Apparatus comprising an earth working means having a handle for manipulating and supporting it (e.g., hand hoe).
Sub-classes under this class:
Class Number
Class Name
Patents
172/372
Adjustable
39
172/375
Alternately usable diverse tools or parts
77
172/377
Channel type
18
172/376
Loop type
14
172/381
Non-planar earth working portion
44
172/378
Plural prongs, teeth or serrations
141
Patents under this class:
1
2
3
Patent Number
Title Of Patent
Date Issued
3981043
Slidable tool grip
Sep. 21, 1976
3942591
Agricultural implement
Mar. 9, 1976
1
2
3
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