US2649189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boxcar grain unloader
Assignee: GEORGE H SCHMIDT
•
Filing: 1948-08-23
•
Granted: 1953-08-18
•
Expires: 1968-08-23
Abstract
No abstract record available.
Inventors
- 👤 George F Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:06
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US72064A
Cited
US475923A
Cited
US704836A
Cited
US769923A
Cited
US1223085A
Cited
US1417508A
Cited
US1440400A
Cited
US1521290A
Cited
US1440722A
Cited
GB480967A
Cited
US2390709A
Cited
US2382299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |