Patent US3160221A successfully refreshed from Google Patents.
US3160221A
Expired / Lapsed
US
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Hillside combine with specific axle structure
Assignee: Allis Chalmers Corp
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Filing: 1961-09-12
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Granted: 1964-12-08
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Expires: 1981-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jerry C Boone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:12
CPC Classifications
B; B60; B60G; B60G9/00; B60G9/02; B60G2300/00; B60G2300/08; B60G2800/00; B60G2800/01; B60G2800/019; B60G2800/0194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2821059A
Cited
FR1194319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |