US1842919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic release attachment for sliding grain cut-offs
Assignee: Individual
•
Filing: 1930-05-28
•
Granted: 1932-01-26
•
Expires: 1950-05-28
Abstract
No abstract record available.
Inventors
- 👤 Harold R Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:55
CPC Classifications
B; B65; B65G; B65G47/00; B65G2812/00; B65G2812/02; B65G2812/02267; B65G2812/02415; B65G2812/02613; B65G2812/02673; B65G2812/02683; B65G2812/02693; B65G2812/02702
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1935-01-25 | 1935-07-27 | 1936-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-01-25 | 1939-07-27 | 1940-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-01-25 | 1943-07-27 | 1944-01-26 | $7700.00 | Window Closed / Lapsed |