Patent US2963141A successfully refreshed from Google Patents.
US2963141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor unloading means
Assignee: Individual
•
Filing: 1956-06-14
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Granted: 1960-12-06
•
Expires: 1976-06-14
Abstract
No abstract record available.
Inventors
- 👤 Charles S Pellow
- 👤 Richard A Pellow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:16
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/90; B65G47/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2677342A
Cited
US1136275A
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US1971110A
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US2541574A
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US2584466A
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US2713426A
Cited
US2661101A
Cited
US2763229A
Cited
US2811266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |