Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first  previous  back  next  last
US Patent: 137,053
Dies for Forming Wrench-Heads
Improvements in the Manufacture of Wrench-Heads
Patentee:
Luke Chapman (exact or similar names) - Collinsville, CT

USPTO Classifications:
72/426

Tool Categories:
wrenches : wrench components : wrench jaw components
woodworking machines : specialty woodworking machines : tool making machines
tool making : making wrenches

Assignees:
Collins Co. - Collinsville, CT

Manufacturer:
Collins Co. - Collinsville, CT

Witnesses:
Oliver F. Perry
Edward H. Sears
F. G. Fuller
H. B. Freeman

Patent Dates:
Granted: Mar. 25, 1873

Patent Pictures:
Luke Chapman Pat. March 25, 1873
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
"My invention consists in dies and process for forming a wrench-head upon a bar of the width and thickness of the wrench-bar." Patent no. 137,052 is a complement.

These patented processes were undoubtedly used in producing Collins Co. wrenches.

Copyright © 2002-2024 - DATAMP