US2739581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine speed governor
Assignee: POULAN Manufacturing CORP
•
Filing: 1954-02-01
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Granted: 1956-03-27
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest D Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:12
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0241; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2549478A
Cited
US1346521A
Cited
US1624093A
Cited
US1757353A
Cited
US2442217A
Cited
US2669979A
Cited
US2639699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |