US2754739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plows
Assignee: Individual
•
Filing: 1951-07-05
•
Granted: 1956-07-17
•
Expires: 1971-07-05
Abstract
No abstract record available.
Inventors
- 👤 Estes Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:46
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1653695A
Cited
US1675461A
Cited
US1653678A
Cited
US1928952A
Cited
US2081346A
Cited
US2320742A
Cited
US2338374A
Cited
US2575563A
Cited
US2664039A
Cited
US2656778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |