US2440757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-driven rotary cultivator
Assignee: Individual
•
Filing: 1945-05-14
•
Granted: 1948-05-04
•
Expires: 1965-05-14
Abstract
No abstract record available.
Inventors
- 👤 Byron M Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:58
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/08; A01B39/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1010238A
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US1036460A
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US1203091A
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US1279418A
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US1284208A
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FR512199A
Cited
US1439579A
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US1907332A
Cited
US2229290A
Cited
US2364862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |