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US2830441A
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Hydraulic servo-mechanism for a steam turbine intercept valve
Assignee: General Electric Co
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Filing: 1956-10-22
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Granted: 1958-04-15
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Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Markus A Eggenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:19
CPC Classifications
F; F01; F01K; F01K7/00; F01K7/16; F01K7/22; F01K7/24; F01D; F01D21/00; F01D21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US709795A
Cited
US2747373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |