US2916635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for controlling the speed of turbines
Assignee: Specialties Development Corp
•
Filing: 1956-05-29
•
Granted: 1959-12-08
•
Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 Charles A Nicita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:09
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/16; F; F05; F05B; F05B2220/00; F05B2220/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2723528A
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US1969526A
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US2243225A
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US2768331A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |