Patent US3174278A successfully refreshed from Google Patents.
US3174278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously operating induction plasma accelerator
Assignee: Individual
•
Filing: 1963-01-24
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Granted: 1965-03-23
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Expires: 1983-01-24
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Barger
- 👤 Joseph D Brooks
- 👤 William D Beasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:56
CPC Classifications
F; F03; F03H; F03H1/00; H; H05; H05H; H05H1/00; H05H1/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PLASMA PROPULSION ENGINE COMPRISING: A THRUST CHAMBER HAVING A NOZZLE MEANS FOR INTRODUCING AN IONIZABLE GAS INTO SAID THRUST CHAMBER; MEANS FOR MAINTAINING A PORTION OF SAID GAS IONIZED DOWNSTREAM FROM SAID NOZZLE MEANS SURROUNDING SAID NOZZLE FOR INDUCING A CURRRENT IN SAID IONIZED GAS; AND MEANS FOR DIRECTING MAGNETIC LINES LINKING SAID CURRENT INDUCED IONIZED GAS IN A RADIAL DIREC-
Claim 2
Dependent Claim
62 words
A PLASMA PROPULSION ENGINE COMPRISING: A THRUST CHAMBER HAVING A NOZZLE MEANS FOR INTRODUCING AN IONIZABLE GAS INTO SAID THRUST CHAMBER; MEANS FOR MAINTAINING A PORTION OF SAID GAS IONIZED DOWNSTREAM FROM SAID NOZZLE MEANS SURROUNDING SAID NOZZLE FOR INDUCING A CURRRENT IN SAID IONIZED GAS; AND MEANS FOR DIRECTING MAGNETIC LINES LINKING SAID CURRENT INDUCED IONIZED GAS IN A RADIAL DIREC-
References Cited (Backward Citations)
GB684710A
Cited
US2756678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |