US2547540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power mower
Assignee: Individual
•
Filing: 1946-03-14
•
Granted: 1951-04-03
•
Expires: 1966-03-14
Abstract
No abstract record available.
Inventors
- 👤 Wiley T Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:27
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AU1642928A
Cited
US1899564A
Cited
US1868918A
Cited
US1992494A
Cited
GB416140A
Cited
US2171750A
Cited
US2192762A
Cited
US2281639A
Cited
US2302472A
Cited
US2403236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |