US2970442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine synchronizing mechanism with hydraulic actuation
Assignee: Individual
•
Filing: 1958-07-09
•
Granted: 1961-02-07
•
Expires: 1978-07-09
Abstract
No abstract record available.
Inventors
- 👤 Taylor S Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:01
CPC Classifications
F; F02; F02D; F02D25/00; F02D25/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19051; Y10T74/19056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2623387A
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US2446393A
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US2553826A
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US2628607A
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US2599885A
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US2782601A
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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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |