US3494427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural implement with means forcing tool to controlled depth
Assignee: Massey Ferguson Services NV
•
Filing: 1966-09-08
•
Granted: 1970-02-10
•
Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 James D Greig
- 👤 Alfred J Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:26
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/04; A01B63/00; A01B63/14; A01B63/24; A01B63/32; A01C; A01C7/00; A01C7/20; A01C7/201; A01C7/205; Y; Y10; Y10S; Y10S111/00; Y10S111/926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA489810A
Cited
US2405334A
Cited
US2553315A
Cited
FR1146471A
Cited
US2935146A
Cited
US3062561A
Cited
US3194323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |