US2549876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary chopper-type hay breaker
Assignee: Individual
•
Filing: 1945-11-13
•
Granted: 1951-04-24
•
Expires: 1965-11-13
Abstract
No abstract record available.
Inventors
- 👤 John W Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:46
CPC Classifications
A; A01; A01F; A01F29/00; A01F29/005; Y; Y10; Y10S; Y10S241/00; Y10S241/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US995689A
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US1061920A
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US1443276A
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US1371825A
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US1769310A
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US1840749A
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US1908548A
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US1844279A
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US2156047A
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US2209268A
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US2153467A
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US2367063A
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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) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |