Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 767,532
Pipe Wrench
Patentee:
Charles H. Thurston (exact or similar names) - Boston, MA

USPTO Classifications:
81/106, 81/109, 81/140

Tool Categories:
wrenches : pipe wrenches

Assignees:
Charles H. Thurston - Boston, MA
W. H. Gardiner, Jr. - Canton, MA
C. H. Whiting - Boston, MA
W. S. Griffith - Worcester, MA

Manufacturer:
Thurston Mfg. Co. - Worcester, MA

Witnesses:
E. W. Waite
W. L. Goodrich
A. B. Upham

Patent Dates:
Applied: Nov. 03, 1903
Granted: Aug. 16, 1904

Patent Pictures: [ 1 | 2 ]
Charles H. Thurston patent August 16, 1904
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
A spring-tensioned pawl at the base of the swinging hook jaw holds the size adjustment.

A known example is marked, "THE THURSTON / PAT APLD FOR"

Copyright © 2002-2024 - DATAMP