Patent US3083528A successfully refreshed from Google Patents.
US3083528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave engines
Assignee: Raytheon Co
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Filing: 1959-05-12
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Granted: 1963-04-02
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Expires: 1979-05-12
Abstract
No abstract record available.
Inventors
- 👤 William C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/08; F03; F03H; F03H1/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A REACTION ENGINE INCLUDING A FLUID INLET AND A NOZZLE THROUGH WHICH FLUID IS EXPELLED PRODUCING THRUST, MEANS BETWEEN SAID INLET AND NOZZLE FOR HEATING SAID FLUID COMPRISING AN ELONGATED CHAMBER HAVING WALLS OF ELECTRICALLY CONDUCTIVE MATERIAL, ONE END OF SAID CHAMBER BEING CONNECTED TO SAID INLET AND THE OTHER END OF SAID CHAMBER BEING CONNECTED TO SAID NOZZLE, MEANS IN SAID CHAMBER FOR ABSORBING MICROWAVE ENERGY WITHOUT SUBSTANTIALLY BLOCKING THE FLOW OF FLUID THERETHROUGH, MEANS SUBSTANTIALLY TRANSPARENT TO MICROWAVE ENERGY FORMING PART OF THE WALLS OF SAID CHAMBER BETWEEN SAID INLET AND SAID ABSORBING MEANS, AND MEANS BETWEEN SAID INLET AND SAID TRANSPARENT MEANS FOR REFLECTING MICROWAVE ENERGY WITHOUT SUBSTANTIALLY BLOCKING THE FLOW OF SAID FLUID THERETHROUGH.
Claim 2
Dependent Claim
119 words
IN A REACTION ENGINE INCLUDING A FLUID INLET AND A NOZZLE THROUGH WHICH FLUID IS EXPELLED PRODUCING THRUST, MEANS BETWEEN SAID INLET AND NOZZLE FOR HEATING SAID FLUID COMPRISING AN ELONGATED CHAMBER HAVING WALLS OF ELECTRICALLY CONDUCTIVE MATERIAL, ONE END OF SAID CHAMBER BEING CONNECTED TO SAID INLET AND THE OTHER END OF SAID CHAMBER BEING CONNECTED TO SAID NOZZLE, MEANS IN SAID CHAMBER FOR ABSORBING MICROWAVE ENERGY WITHOUT SUBSTANTIALLY BLOCKING THE FLOW OF FLUID THERETHROUGH, MEANS SUBSTANTIALLY TRANSPARENT TO MICROWAVE ENERGY FORMING PART OF THE WALLS OF SAID CHAMBER BETWEEN SAID INLET AND SAID ABSORBING MEANS, AND MEANS BETWEEN SAID INLET AND SAID TRANSPARENT MEANS FOR REFLECTING MICROWAVE ENERGY WITHOUT SUBSTANTIALLY BLOCKING THE FLOW OF SAID FLUID THERETHROUGH.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |