Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 34,498
Nut Wrench
Patentees:
F. Hollen - Blairsville, IN
A. H. Pierce - Blairsville, IN

USPTO Classifications:
81/186, 81/99

Tool Categories:
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
A. B. Barrett
John M. Chase

Patent Dates:
Granted: Feb. 25, 1862

Patent Pictures: [ 1 | 2 ]
Hollen & Pierce. Pat Feb. 25, 1862
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The jaws open with a scissors type action. A spring tends to close the jaws. The jaws have opposite facing "steps" so the wrench will catch the corners of square nuts and bolt heads only.

A known metal handle example is marked boldly with the patent date.

Copyright © 2002-2018 - DATAMP