US2982101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure fluid control system
Assignee: Eimco Corp
•
Filing: 1957-12-05
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Granted: 1961-05-02
•
Expires: 1977-12-05
Abstract
No abstract record available.
Inventors
- 👤 Theodore N Hackett
- 👤 Kenneth H Hoen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:53
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/20; E02F9/22; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2232357A
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US2373226A
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US2526411A
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US2745357A
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US2768499A
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US2711633A
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US2809596A
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US2831466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |