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US2630814A
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Stability of hydraulic turbine regulators
Assignee: Ateliers Neyret Beylier et Piccard Pictet
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Filing: 1948-02-12
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Granted: 1953-03-10
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Expires: 1968-02-12
Abstract
No abstract record available.
Inventors
- 👤 Daniel Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:28
CPC Classifications
F; F03; F03B; F03B15/00; F03B15/02; F03B15/04; F03B15/06; F03B15/08; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/0989; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1658965A
Cited
US1873955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |