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US2990892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural implement
Assignee: Case LLC
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Filing: 1957-08-09
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Granted: 1961-07-04
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Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Richard W Bushmeyer
- 👤 Jr Clarence E Henson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:49
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/16; A01B63/166; A01B3/00; A01B3/24; A01B3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1669037A
Cited
US1725396A
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US2340495A
Cited
US2440779A
Cited
US2519497A
Cited
US2682822A
Cited
US2706940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |