US3009631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control devices for fluid pressure systems
Assignee: Power Jets Research and Development Ltd
•
Filing: 1957-04-30
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Granted: 1961-11-21
•
Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Dimmock Norman Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2618431A
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GB700098A
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US2743051A
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US2728518A
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US2696828A
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US2804878A
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US2835266A
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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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |