US2620715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor mounted implement
Assignee: Deere and Co
•
Filing: 1946-06-15
•
Granted: 1952-12-09
•
Expires: 1966-06-15
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
- 👤 William V Lohrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:20
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/36; A01B3/38; A01B35/00; A01B35/02; A01B35/10; A01B63/00; A01B63/02; A01B63/023
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |