Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 638,956
Wrench
Patentee:
John H. Coes - Worcester, MA

USPTO Classifications:
81/171

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
Coes Wrench Co. - Worcester, MA

Manufacturer:
Not known to have been produced

Witnesses:
George W. Gregory
Alexander C. Proudfit
Edward F. Allen
Gustave F. Magnitzky

Patent Dates:
Applied: Jul. 07, 1899
Granted: Dec. 12, 1899

Patent Pictures:
John H. Coes patent Dec. 12, 1899
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The unique feature of this patent is "legs" extending from the ferule to the end of the handle of a Coes "knife handle" wrench, an integral "key" or "keys" between the wrench shank and one or both such "legs," and the end cap of the handle which holds the pieces together. Coes pursued a parallel patent (No. 638,957), in which the key is is a separate piece of metal fitting notches in the shank & "legs."

This is the first of three successive patents exploring alternative modes of strengthening the "knife handle."

Copyright © 2002-2020 - DATAMP