US Patent: 668,645
|
| Pipe Wrench
|
|
Patentee:
|
|
| Ambrose Francis Jackson (exact or similar names) - Rock Island, IL |
| USPTO Classifications: |
| 81/99 |
|
|
Patent Dates:
|
| Applied: |
May 31, 1900 |
| Granted: |
Feb. 26, 1901 |
|
Patent Pictures:
[
1 | 2 | 3
]
|
|
Ambrose F. Jackson patent Febr. 26, 1901 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Jackson's improvements to his June 5, 1900 patent (No. 650,974) are the connecting link and an extended lever that allows the user to retract the jaw while holding the wrench by the handle. This patent was used on the larger sizes of Jackson pipe wrenches; smaller sizes match 676,318.
Corresponding British patent GB-190104015 was registered Feb. 25, 1901; German patent DE-138929 was granted with effective date Febr. 27, 1901. |
|
){kind=link}
){kind=link}
){kind=link}