Patent US2514930A successfully refreshed from Google Patents.
US2514930A
Expired / Lapsed
US
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Speed regulator for hydraulic turbines
Assignee: Woodward Inc
•
Filing: 1946-12-27
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Granted: 1950-07-11
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Expires: 1966-12-27
Abstract
No abstract record available.
Inventors
- 👤 James H Branham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:11
CPC Classifications
F; F03; F03B; F03B15/00; F03B15/02; F03B15/04; F03B15/06; F03B15/08; F03B15/12; Y; Y02; Y02E; Y02E10/00; Y02E10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US245591A
Cited
USRE17161E
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US846897A
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US1106434A
Cited
US1584602A
Cited
US2039507A
Cited
US2228153A
Cited
US2404968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |