US2898725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mower cutter blade structure
Assignee: Individual
•
Filing: 1956-06-11
•
Granted: 1959-08-11
•
Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 John F Roesel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:45
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73; A01D34/733
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2267059A
Cited
US2477442A
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US2592755A
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US2664685A
Cited
US2654986A
Cited
US2742750A
Cited
US2740249A
Cited
US2716323A
Cited
US2737772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |