US2683403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor mounted lister or bedder
Assignee: Allis Chalmers Corp
•
Filing: 1949-07-13
•
Granted: 1954-07-13
•
Expires: 1969-07-13
Abstract
No abstract record available.
Inventors
- 👤 John L Flentie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:14
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/36; A01B35/00; A01B35/02; A01B35/10; A01B35/14; A01B59/00; A01B59/06; A01B59/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB253566A
Cited
US2118180A
Cited
US2319670A
Cited
US2358281A
Cited
US2372459A
Cited
US2412362A
Cited
US2436155A
Cited
US2611307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |