US2950737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertilizer distributor
Assignee: Deere and Co
•
Filing: 1958-02-20
•
Granted: 1960-08-30
•
Expires: 1978-02-20
Abstract
No abstract record available.
Inventors
- 👤 John W Hendrix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:17
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/007; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US966564A
Cited
US1014070A
Cited
US2331790A
Cited
US2673662A
Cited
US2651320A
Cited
US2827928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |