US3191092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma propulsion device having special magnetic field
Assignee: Individual
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Filing: 1962-09-20
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Granted: 1965-06-22
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 William R Baker
- 👤 Halbach Klaus
- 👤 Robert W Layman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:34
CPC Classifications
F; F03; F03H; F03H1/00; F03H1/0081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A MAGNETOHYDRODYNAMIC DEVICE FOR PRODUCING A DIRECTED PLASMA BEAM, THE COMBINATION COMPRISING: (A) A CYLINDRICAL HOUSING DISPOSED SYMMETRICALLY AROUND AN AXIS AND DEFINING A PLASMA CHAMBER, A FIRST END OF SAID HOUSING BEING CLOSED AND A SECOND END THEREOF BEING OPEN TO FORM A PLASMA OUTLET, (B) MEANS PROVIDING A SUBSTANTIALLY LINEAR LONGITUDINAL MAGNETIC FIELD THROUGH SAID PLASMA CHAMBER AND BEING CHARACTERIZED IN THAT SAID MAGNETIC FIELD IS CAUSED TO PASS THROUGH SAID HOUSING ONLY AT SAID FIRST END AND PASS AXIALLY THROUGH SAID CHAMBER AND FLARE OUTWARDLY FROM SAID AXIS AT SAID PLASMA OUTLET, (C) A TUBULAR ELECTRODE DISPOSED ALONG THE AXIS OF SAID HOUSING, SAID ELECTRODE BEING ELECTRICALLY ISOLATED
Claim 2
Dependent Claim
112 words
IN A MAGNETOHYDRODYNAMIC DEVICE FOR PRODUCING A DIRECTED PLASMA BEAM, THE COMBINATION COMPRISING: (A) A CYLINDRICAL HOUSING DISPOSED SYMMETRICALLY AROUND AN AXIS AND DEFINING A PLASMA CHAMBER, A FIRST END OF SAID HOUSING BEING CLOSED AND A SECOND END THEREOF BEING OPEN TO FORM A PLASMA OUTLET, (B) MEANS PROVIDING A SUBSTANTIALLY LINEAR LONGITUDINAL MAGNETIC FIELD THROUGH SAID PLASMA CHAMBER AND BEING CHARACTERIZED IN THAT SAID MAGNETIC FIELD IS CAUSED TO PASS THROUGH SAID HOUSING ONLY AT SAID FIRST END AND PASS AXIALLY THROUGH SAID CHAMBER AND FLARE OUTWARDLY FROM SAID AXIS AT SAID PLASMA OUTLET, (C) A TUBULAR ELECTRODE DISPOSED ALONG THE AXIS OF SAID HOUSING, SAID ELECTRODE BEING ELECTRICALLY ISOLATED
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |