US2985246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk tiller
Assignee: ATHENS PLOW CO
•
Filing: 1957-06-20
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Granted: 1961-05-23
•
Expires: 1977-06-20
Abstract
No abstract record available.
Inventors
- 👤 John W Shipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:53
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/046; A01B21/00; A01B21/08; A01B63/00; A01B63/14; A01B63/16; A01B63/22; A01B63/24; A01B63/32; A01B69/00; A01B69/003; A01B69/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1480273A
Cited
US1491119A
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US1931815A
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FR835368A
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US2635519A
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US2554741A
Cited
US2624590A
Cited
US2778290A
Cited
US2718184A
Cited
US2754743A
Cited
US2879854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |