US3014857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma device
Assignee: Individual
•
Filing: 1958-09-02
•
Granted: 1961-12-26
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 James D Gow
- 👤 John M Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PLASMA GENERATOR COMPRISING MEANS ESTABLISHING A RADICAL ELECTRIC FIELD ABOUT AN AXIS THROUGH AN EVACUATED REGION, MEANS SUPPLYING NEUTRAL PARTICLES TO SAID REGION FOR IONIZATION THEREIN WHEREBY A PLASMA IS FORMED IN SAID REGION, MEANS ESTABLISHING A MAGNETIC FIELD AXIALLY THROUGH SAID REGION FOR RADIALLY CONFINING CHARGED PARTICLES THEREIN AND PROVIDING A ROTATING ELECTRON SHEATH ABOUT THE AXIS OF SAID REGION AND FURTHER MAGNET MEANS ESTABLISHING AXIALLY SPACED INTENSIFIED MAGNETIC FIELDS FOR AXIALLY CONFINING PLASMA PARTICLES THEREBETWEEN.
Claim 2
Dependent Claim
78 words
A PLASMA GENERATOR COMPRISING MEANS ESTABLISHING A RADICAL ELECTRIC FIELD ABOUT AN AXIS THROUGH AN EVACUATED REGION, MEANS SUPPLYING NEUTRAL PARTICLES TO SAID REGION FOR IONIZATION THEREIN WHEREBY A PLASMA IS FORMED IN SAID REGION, MEANS ESTABLISHING A MAGNETIC FIELD AXIALLY THROUGH SAID REGION FOR RADIALLY CONFINING CHARGED PARTICLES THEREIN AND PROVIDING A ROTATING ELECTRON SHEATH ABOUT THE AXIS OF SAID REGION AND FURTHER MAGNET MEANS ESTABLISHING AXIALLY SPACED INTENSIFIED MAGNETIC FIELDS FOR AXIALLY CONFINING PLASMA PARTICLES THEREBETWEEN.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |