US2679199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power lift means affording depth regulation of tractor propelled implements
Assignee: Allis Chalmers Corp
•
Filing: 1948-05-26
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Granted: 1954-05-25
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Expires: 1968-05-26
Abstract
No abstract record available.
Inventors
- 👤 Walter F Strehlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:51
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/111; A01B63/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1279792A
Cited
GB253566A
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US2074618A
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US2103530A
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US2405334A
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US2356231A
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US2412362A
Cited
US2394210A
Cited
US2368125A
Cited
US2430597A
Cited
US2611306A
Cited
US2611307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |