US2886332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flail-type material unloader
Assignee: Individual
•
Filing: 1957-06-03
•
Granted: 1959-05-12
•
Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Keith D Elwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:12
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/06; A01C3/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US402183A
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US1846459A
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US2318881A
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US2525023A
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US2597485A
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US2531732A
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US2699948A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |