Patent US2897011A successfully refreshed from Google Patents.
Patent US3293852A successfully refreshed from Google Patents.
US3293852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma propulsion method and means
Assignee: Boeing Co
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Filing: 1963-03-19
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Granted: 1966-12-27
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Expires: 1983-03-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Galli
- 👤 George I Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:29
CPC Classifications
F; F03; F03H; F03H1/00; F02; F02C; F02C6/00; F02C6/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
THE METHOD OF PRODUCING THRUST COMPRISING, THE STEPS OF, PROVIDING A FUEL AND AN OXIDIZER TO A COMBUSTION CHAMBER, IGNITING THE FUEL AND OXIDIZER, INTRODUCING AND PASSING A FLUID SPIRALLY AROUND AND INTO CONTACT WITH RESULTING COMBUSTION PRODUCTS AND CONSTRICTING SAID RESULTING COMBUSTION PRODUCTS, ESTABLISHING A MAGNETIC FIELD AND FURTHER CONSTRICTING THE RESULTING COMBUSTION PRODUCTS BY PASSING THE COMBUSTION PRODUCTS THROUGH SAID MAGNETIC FIELD, AND DISCHARGING THE RESULTING COMBUSTION PRODUCTS.
References Cited (Backward Citations)
USRE25088E
Cited
US2718757A
Cited
US3030769A
Cited
US2807137A
Cited
US2944623A
Cited
US3041824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |