Patent US2873844A successfully refreshed from Google Patents.
US2873844A
Expired / Lapsed
US
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Elevator conveyor belt, bucket and attaching means
Assignee: Uniroyal Inc
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Filing: 1956-03-29
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Granted: 1959-02-17
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Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel H Curtiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:11
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G15/42; B65G15/44; B65G17/00; B65G17/12; B65G17/126; B65G2201/00; B65G2201/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US872855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |