CA Patent: CA-987
|
Improvements in monkey wrenches
Cumberworth's Combined Monkey and Gas Pipe Wrench
|
|
Patentee:
|
|
| Anthony Cumberworth (exact or similar names) - Quebec, QC Canada |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Apr. 19, 1871 |
| Granted: |
May 25, 1871 |
|
Patent Pictures:
|
|
Anthony Cumberworth patent May 25, 1871 |
CIPO Data
Report data errors or omissions to steward
Stan Schulz
Search Library and Archives Canada
987 in Canadian Patents Database
|
|
Description: |
| The outer "fixed" jaw is held on by a nut, and is removable and reversible. One side has a flat surface for nuts; the other side a tapered toothed surface for gripping pipe.
The parallel U.S. patent is no. 119,265 issued September 26, 1871. |
|
