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US3148694A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid ejector valve

Assignee: Individual
•
Filing: 1961-12-13
•
Granted: 1964-09-15
•
Expires: 1981-12-13
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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 15:47
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

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