Patent US2951493A successfully refreshed from Google Patents.
US2951493A
Expired / Lapsed
US
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Fluid operated governors
Assignee: Green SARL
•
Filing: 1958-04-18
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Granted: 1960-09-06
•
Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 Green George Wilfrid Acland
- 👤 New John Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:53
CPC Classifications
G; G05; G05D; G05D13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US772294A
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US778399A
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US1347276A
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US1566995A
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US1961842A
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US2364817A
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US2392262A
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US2445113A
Cited
GB571408A
Cited
US2661796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |