US Patent: 52,444
|
| Improvement in Ratchet-Wrenches
|
|
Patentee:
|
|
| William Pirsson (exact or similar names) - Newark, NJ |
| USPTO Classifications: |
| 81/61 |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Feb. 06, 1866 |
|
Patent Pictures:
|
|
William Pirsson Pat. Feb. 6, 1866 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The patent is for interchangeable socket heads for a ratchet wrench which are held in place by a lip on the pawl engaging a rim on the socket. |
|
