Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 160,179
Improvement in Pipe-Wrenches
Patentee:
Daniel Gilbert - Waynesborough, PA

USPTO Classifications:
81/65.2

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James S. Gordon
Daniel O. Harshman
A. Ruppert
W. E. Chaffee

Patent Dates:
Applied: Jan. 08, 1875
Granted: Feb. 23, 1875

Patent Pictures:
Daniel Gilbert Pat. Feb. 23, 1875
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The patent covers the shape of the chain which is composed of alternate single and double links, the end of the lever to engage the openings in the chain, and the serrations on the inner surfaces of the chain links which grip pipe.

Copyright © 2002-2017 - DATAMP