Patent US2546461A successfully refreshed from Google Patents.
US2546461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination agricultural implement
Assignee: Individual
•
Filing: 1945-08-30
•
Granted: 1951-03-27
•
Expires: 1965-08-30
Abstract
No abstract record available.
Inventors
- 👤 Davis E Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:03
CPC Classifications
A; A01; A01B; A01B7/00; A01B35/00; A01B35/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US508280A
Cited
US1251096A
Cited
US1215403A
Cited
US1544750A
Cited
US1876872A
Cited
US2029249A
Cited
US2174808A
Cited
US2287890A
Cited
US2335156A
Cited
US2352491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |