US2889862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary chopper type hay breaker assembly
Assignee: Individual
•
Filing: 1955-10-17
•
Granted: 1959-06-09
•
Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 John W Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:18
CPC Classifications
A; A01; A01F; A01F29/00; A01F29/02; A01F29/04; Y; Y10; Y10S; Y10S241/00; Y10S241/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US75990A
Cited
US692601A
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US922058A
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US1844279A
Cited
US2152791A
Cited
US2148547A
Cited
US2549876A
Cited
US2635663A
Cited
US2681090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |