US3511316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic marker for agricultural implements
Assignee: Deere and Co
•
Filing: 1967-01-05
•
Granted: 1970-05-12
•
Expires: 1987-01-05
Abstract
No abstract record available.
Inventors
- 👤 Orey William Oerman
- 👤 John Isaac Cantral
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
A; A01; A01B; A01B69/00; A01B69/02; A01B69/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130512A
Cited
US2584200A
Cited
US2816769A
Cited
US2795180A
Cited
US3158204A
Cited
US3250333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |