US Patent: 9,040X
|
Canal Lock Gate
Gates for Canal Locks
|
|
Patentee:
|
|
| David Wilkinson (exact or similar names) - Cohoes, Albany County, NY |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Aug. 17, 1835 |
| Reissue Information: |
| Reissued as AI7 (Apr. 24, 1838) |
|
Patent Pictures:
[
1 | 2
]
|
|
|
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
|
|
Description: |
| Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. Only the patent drawings are available. This patent is in the database for reference only.
This patent was improved with patent AI7. |
|
){kind=link}
){kind=link}