Patent US2776720A successfully refreshed from Google Patents.
US2776720A
Expired / Lapsed
US
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Control apparatus for power plants driving a variable torque load device
Assignee: Individual
•
Filing: 1953-11-10
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Granted: 1957-01-08
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Expires: 1973-11-10
Abstract
No abstract record available.
Inventors
- 👤 Reggio Ferdinando Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:30
CPC Classifications
F; F02; F02D; F02D29/00; F02D2700/00; F02D2700/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2322303A
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US2262022A
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US2248245A
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US2279048A
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US2303317A
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US2516911A
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US2638992A
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US2645293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |