US Patent: 1,327,309
|
| Chain Pipe Wrench
|
|
Patentee:
|
|
| George W. Bufford (exact or similar names) - Buffalo, NY |
| USPTO Classifications: |
| 81/69 |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Mar. 14, 1918 |
| Granted: |
Jan. 06, 1920 |
|
Patent Pictures:
|
|
George W. Bufford patent January 6, 1920 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The patented feature is the swivel in flat link chain which facilitates use in certain constrained locations. The specifications note separate patent applications for other aspects of the wrench.
The arc-shaped gripping face [see pat no. 1,416,685] appeared in the Williams FALCON chain wrench.
Fraser, Turk & Myers - patent attorneys
|
|
