US2551870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible tractor planter attaching assembly
Assignee: Individual
•
Filing: 1948-10-22
•
Granted: 1951-05-08
•
Expires: 1968-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Floyd R Bridger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:05
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1230261A
Cited
US1348862A
Cited
US1632345A
Cited
US1696562A
Cited
US1768019A
Cited
US2054513A
Cited
US2015584A
Cited
US2309750A
Cited
US2363749A
Cited
US2414114A
Cited
US2336848A
Cited
US2346757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |