Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
GB Patent: GB-187,403,994
Wrenches
Patentee:
Malcolm Macleod (exact or similar names) - Manchester, England

USPTO Classifications:

Tool Categories:
wrenches : auxiliary wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Granted: Nov. 20, 1874

Patent Pictures:
M. Macleod patent Nov. 20, 1874 - edited from Abridgments of Specifications
Espacenet patent
Report data errors or omissions to steward Stan Schulz
3,994 in Chronological and Descriptive Index (1874)
Description:
The patent includes a wrench with a sliding "ratchet" adjustable jaw for adjusting elements of concrete forms. The overall patent summary notes "various hand tools to be used in combination with the above apparatus."

Note: Early English patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent # (with "leading zeros" interposed to make the number total nine digits). This patent is #3,994 of the year 1874.

Copyright © 2002-2024 - DATAMP