US3481343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air chute for axial combine
Assignee: Case LLC
•
Filing: 1966-09-23
•
Granted: 1969-12-02
•
Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Ernest M Van Buskirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:43
CPC Classifications
A; A01; A01F; A01F7/00; A01F7/02; A01F7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US990007A
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US953833A
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US1174398A
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US1744336A
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US1926709A
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US2321019A
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US2377238A
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US2745409A
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US2796868A
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US3179111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |