US2758731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Case unloader
Assignee: Individual
•
Filing: 1952-11-15
•
Granted: 1956-08-14
•
Expires: 1972-11-15
Abstract
No abstract record available.
Inventors
- 👤 Allan C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:50
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/10; B65G15/12; B65G15/14; B65B; B65B21/00; B65B21/02; B65B21/08; B65B21/12; B65G37/00; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1163729A
Cited
DE684464C
Cited
US2213774A
Cited
GB540501A
Cited
US2372646A
Cited
US2608308A
Cited
US2567009A
Cited
US2696927A
Cited
US2634874A
Cited
US2602555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |