Patent US3274775A successfully refreshed from Google Patents.
US3274775A
Expired / Lapsed
US
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Hot gas generators and in particular rocket motors
Assignee: Office National d'Études et de Recherches Aérospatiales
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Filing: 1963-07-15
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Granted: 1966-09-27
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Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 Berton Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:42
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A HOT GAS GENERATOR WHEREIN ENERGY IS SUPPLIED BY THE REACTION WITH EACH OTHER OF TWO COMPONENTS, TO WIT A FLUID ONE AND A SOLID ONE, RESPECTIVELY, WHICH GENERATOR COMPRISES, IN COMBINATION, A CASING, SAID SOLID COMPONENT BEING DISPOSED IN SAID CASING TO FORM THEREIN A REACTION CHAMBER FOR THE FLOW OF FLUIDS THERETHROUGH, A FIRST INJECTOR DEVICE FOR INTRODUCING SAID FLUID COMPONENT INTO SAID CHAMBER, MEANS IN SAID CHAMBER DOWNSTREAM OF SAID INJECTOR DEVICE FORMING AN OBSTACLE ACROSS THE LONGITUDINAL PATH OF TRAVEL OF FLUIDS THROUGH SAID CHAMBER
Claim 2
Dependent Claim
89 words
A HOT GAS GENERATOR WHEREIN ENERGY IS SUPPLIED BY THE REACTION WITH EACH OTHER OF TWO COMPONENTS, TO WIT A FLUID ONE AND A SOLID ONE, RESPECTIVELY, WHICH GENERATOR COMPRISES, IN COMBINATION, A CASING, SAID SOLID COMPONENT BEING DISPOSED IN SAID CASING TO FORM THEREIN A REACTION CHAMBER FOR THE FLOW OF FLUIDS THERETHROUGH, A FIRST INJECTOR DEVICE FOR INTRODUCING SAID FLUID COMPONENT INTO SAID CHAMBER, MEANS IN SAID CHAMBER DOWNSTREAM OF SAID INJECTOR DEVICE FORMING AN OBSTACLE ACROSS THE LONGITUDINAL PATH OF TRAVEL OF FLUIDS THROUGH SAID CHAMBER
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |