Patent US2717481A successfully refreshed from Google Patents.
US2717481A
Expired / Lapsed
US
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Cotton lifter for cotton harvesting machine
Assignee: Individual
•
Filing: 1952-06-30
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Granted: 1955-09-13
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Expires: 1972-06-30
Abstract
No abstract record available.
Inventors
- 👤 Thelma F Rust
- 👤 J C Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:55
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1007504A
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US1003836A
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US1105235A
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US1894198A
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US1967924A
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US1926338A
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US2520927A
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US2641888A
Cited
US2652676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |