US3411467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed drills
Assignee: C Van der Lely NV
•
Filing: 1965-03-18
•
Granted: 1968-11-19
•
Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Lely Cornelis Van Der
- 👤 Leendert Van Wingerden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:46
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08; Y; Y10; Y10S; Y10S111/00; Y10S111/927
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US896178A
Cited
US1134894A
Cited
US1209329A
Cited
US1905892A
Cited
US2345741A
Cited
US2455148A
Cited
US2518306A
Cited
US2535222A
Cited
US2901268A
Cited
US3211238A
Cited
US3208536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |