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
2026-10-25 01:04
CPC Classifications
A; A01; A01B; A01B7/00; A01B35/00; A01B35/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US508280A
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US1251096A
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US1215403A
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US1544750A
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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 |