US2756112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silo unloader
Assignee: Individual
•
Filing: 1952-12-18
•
Granted: 1956-07-24
•
Expires: 1972-12-18
Abstract
No abstract record available.
Inventors
- 👤 Glenn C Knutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:26
CPC Classifications
B; B65; B65G; B65G65/00; B65G2814/00; B65G2814/02; B65G2814/0217; B65G2814/0223
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US940583A
Cited
US1479990A
Cited
US1550311A
Cited
FR694555A
Cited
US1958661A
Cited
US2498143A
Cited
US2595333A
Cited
US2651438A
Cited
US2671696A
Cited
US2719058A
Cited
US2678241A
Cited
US2677474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |