US1081040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hopper-door-operating device.
Assignee: WILLIAM H WOODIN
•
Filing: 1910-07-11
•
Granted: 1913-12-09
•
Expires: 1930-07-11
Abstract
No abstract record available.
Inventors
- 👤 Levin Goosford Handy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:40
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/24; B61D7/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1916-12-08 | 1917-06-09 | 1917-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-12-08 | 1921-06-09 | 1921-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-12-08 | 1925-06-09 | 1925-12-09 | $7700.00 | Window Closed / Lapsed |