Patent US2580633A successfully refreshed from Google Patents.
US2580633A
Expired / Lapsed
US
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Baled hay loader
Assignee: Individual
•
Filing: 1947-05-22
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Granted: 1952-01-01
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Expires: 1967-05-22
Abstract
No abstract record available.
Inventors
- 👤 Finis B Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:29
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/12; A01D87/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306597A
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US2408863A
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US2518083A
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US2495647A
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US2540791A
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US2525870A
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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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |