US2956866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel jettison valve
Assignee: Individual
•
Filing: 1957-06-24
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Granted: 1960-10-18
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Expires: 1977-06-24
Abstract
No abstract record available.
Inventors
- 👤 Willard K Dick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:07
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; B64D37/26; F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/56; F02K9/566; Y; Y02; Y02T; Y02T90/00; Y02T90/40; Y10; Y10S; Y10S422/00; Y10S422/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A HYDROGEN PEROXIDE JETTISON VALVE FOR APPLICATION TO AIRBORNE OBJECTS COMPRISING A VALVE BODY, A VALVE SEAT IN SAID VALVE BODY, A LEVER OPERATED NEEDLE VALVE POSITIONED IN COOPERATION WITH SAID VALVE SEAT, SAID LEVER PROTRUDING THROUGH A FULCRUM IN THE SIDE OF SAID VALVE BODY, FLEXIBLE SEALING MEANS POSITIONED OVER SAID LEVER THEREBY SEALING VALVE INTERIOR FROM THE ATMOSPHERE, A PIVOTED TOGGLE ARM POSITIONED TO GRIP THE END OF SAID LEVER, TIME AND ALTITUDE SENSITIVE MEANS IN PARALLEL FOR ACTUATING SAID TOGGLE ARM THROUGH A RELAY CIRCUIT, SAID MEANS BECOMING OPERATIVE AFTER A GIVEN LAPSE OF TIME AND AFTER DESCENT TO A PRESET MINIMUM ALTITUDE, A CATALYST CHAMBER POSITIONED IN SERIES WITH AND BELOW SAID
Claim 2
Dependent Claim
116 words
A HYDROGEN PEROXIDE JETTISON VALVE FOR APPLICATION TO AIRBORNE OBJECTS COMPRISING A VALVE BODY, A VALVE SEAT IN SAID VALVE BODY, A LEVER OPERATED NEEDLE VALVE POSITIONED IN COOPERATION WITH SAID VALVE SEAT, SAID LEVER PROTRUDING THROUGH A FULCRUM IN THE SIDE OF SAID VALVE BODY, FLEXIBLE SEALING MEANS POSITIONED OVER SAID LEVER THEREBY SEALING VALVE INTERIOR FROM THE ATMOSPHERE, A PIVOTED TOGGLE ARM POSITIONED TO GRIP THE END OF SAID LEVER, TIME AND ALTITUDE SENSITIVE MEANS IN PARALLEL FOR ACTUATING SAID TOGGLE ARM THROUGH A RELAY CIRCUIT, SAID MEANS BECOMING OPERATIVE AFTER A GIVEN LAPSE OF TIME AND AFTER DESCENT TO A PRESET MINIMUM ALTITUDE, A CATALYST CHAMBER POSITIONED IN SERIES WITH AND BELOW SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |