US2933206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco harvester
Assignee: Individual
•
Filing: 1956-04-24
•
Granted: 1960-04-19
•
Expires: 1976-04-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Gilbert E Alphin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:13
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2477068A
Cited
US2091480A
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US2564614A
Cited
US2702134A
Cited
US2675136A
Cited
US2788141A
Cited
US2846094A
Cited
US2704158A
Cited
US2797822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |