Patent US2641441A successfully refreshed from Google Patents.
US2641441A
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US
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Turbine governor
Assignee: ONSRUD MACHINE WORKS Inc
•
Filing: 1951-02-21
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Granted: 1953-06-09
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Expires: 1971-02-21
Abstract
No abstract record available.
Inventors
- 👤 Nilsen Arne
- 👤 Rudolph F Onsrud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:35
CPC Classifications
F; F01; F01D; F01D15/00; F01D15/06; F01D15/062; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848615A
Cited
GB189423999A
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DE119056C
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US701500A
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FR414672A
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US1135054A
Cited
US1392890A
Cited
US1618644A
Cited
GB297070A
Cited
US2336973A
Cited
US2426045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |