Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 436,073
Nut Wrench
Patentees:
Benjamin Clow - Jersey City, NJ
George E. Clow - Jersey City, NJ

USPTO Classifications:
81/169, 81/180.1, 81/DIG.3

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Samuel Ker
David P. Wolhaupter
Ludwig F. Seggel
Gustav Schumann

Patent Dates:
Applied: Jun. 07, 1890
Granted: Sep. 09, 1890

Patent Pictures:
Benjamin Clow and George E. Clow patent September 9, 1890
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The handle connects to the nearer jaw by a flange; turning the handle extends the further jaw. A primary feature of the patent is the internal adjustable friction spring which helps hold the adjustment. Produced as CLOW'S BOSS wrench.

In corresponding Canadian patent CA-35,136, George E. Clow's address is given as Pittsfield, MA.

Copyright © 2002-2017 - DATAMP