Patent US3324813A successfully refreshed from Google Patents.
Patent US3148694A successfully refreshed from Google Patents.
US3148694A
Expired / Lapsed
US
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Fluid ejector valve
Assignee: Individual
•
Filing: 1961-12-13
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Granted: 1964-09-15
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Expires: 1981-12-13
Abstract
No abstract record available.
Inventors
- 👤 Austin T Casey
- 👤 Frank E Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:55
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0603; F16K31/0624; F16K31/0627; F16K31/0606; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3102; Y10T137/794; Y10T137/8013
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
A VALVE MECHANISM COMPRISING A CHAMBER HAVING AN OPENING AT ONE END AND COMMUNICATING AT ITS OTHER END WITH AN ACCUMULATOR CHAMBER AND AN EXHAUST PORT, A MAGNETIC PLUNGER IN SAID CHAMBER, VALVE SEATS IN SAID CHAMBER ADJACENT EACH END OF SAID PLUNGER, AN ELECTRIC COIL ELECTRICALLY SURROUNDING SAID CHAMBER AND NORMALLY ENERGIZED, SAID PLUNGER WHEN ENERGIZED URGING SAID PLUNGER SEALINGLY AGAINST SAID ONE VALVE SEAT AND WHEN DE-ENERGIZED ALLOWING SAID PLUNGER TO BE SEATED AGAINST THE VALVE SEAT AT SAID OTHER END OF SAID CHAMBER, AND MEANS CONSTITUTING A PATH FROM SAID OPENING AT SAID ONE END THROUGH SAID CHAMBER TO SAID ACCUMULATOR CHAMBER WHEN SAID PLUNGER IS SEATED AGAINST SAID VALVE SEAT AT SAID OTHER END OF SAID CHAMBER.
References Cited (Backward Citations)
US2316052A
Cited
US2614584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |