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Patent US2724481A successfully refreshed from Google Patents.
US2724481A
Expired / Lapsed
US
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Ensilage loader
Assignee: Individual
•
Filing: 1953-03-20
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Granted: 1955-11-22
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Expires: 1973-03-20
Abstract
No abstract record available.
Inventors
- 👤 Oswalt Harry Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:43
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/02; B65G65/06; A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2027; A01F2025/2045; A01F2025/2063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US584112A
Cited
US779442A
Cited
GB191400202A
Cited
US1545651A
Cited
US2030063A
Cited
US1882629A
Cited
US2256719A
Cited
US2453999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |