Patent US3481407A successfully refreshed from Google Patents.
US3481407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plow
Assignee: Deere and Co
•
Filing: 1966-09-15
•
Granted: 1969-12-02
•
Expires: 1986-09-15
Abstract
No abstract record available.
Inventors
- 👤 Loren Glenn Arnold
- 👤 James Franklin Sullivan
- 👤 Howard Christian Esbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:50
CPC Classifications
A; A01; A01B; A01B69/00; A01B3/00; A01B3/46; A01B63/00; A01B63/14; A01B63/16; A01B63/22; A01B69/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |