US3029199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma device
Assignee: Individual
•
Filing: 1958-05-20
•
Granted: 1962-04-10
•
Expires: 1978-05-20
Abstract
No abstract record available.
Inventors
- 👤 William R Baker
- 👤 Bratenahl Alexander
- 👤 Harold P Furth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/16; H05H1/10; H05H1/12; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A ROTATING PLASMA DEVICE, THE COMBINATION COMPRISING AN INNER ANNULAR SHELL ELECTRODE HAVING AN OUTER CONVEX SURFACE AND BEING CONSTRUCTED OF THIN CONDUCTIVE MATERIAL CAPABLE OF PENETRATION BY A RAPIDLY RISING MAGNETIC FIELD, AN OUTER ANNULAR ELECTRODE CONCENTRIC WITH SAID INNER ELECTRODE WITH A CONCAVE SURFACE FACING THE CONVEX SURFACE THEREOF AND DEFINING AN ANNULAR CHAMBER THEREBETWEEN, A HIGH VOLTAGE SOURCE COUPLED ACROSS SAID ELECTRODES TO PRODUCE AN ELECTRIC FIELD THEREBETWEEN WITHIN SAID CHAMBER, MEANS INCLUDING A SOLENOID DISPOSED CONCENTRICALLY WITHIN SAID ANNULAR ELECTRODE FOR PRODUCING A MAGNETIC FIELD PERPENDRICULAR TO SAID ELECTRIC FIELD WITHIN SAID CHAMBER AND SUBATMOSPHERIC GAS SUPPLY MEANS COUPLED TO SAID CHAMBER FOR SUPPLYING AN IONIZABLE GAS THERETO.
Claim 2
Dependent Claim
113 words
IN A ROTATING PLASMA DEVICE, THE COMBINATION COMPRISING AN INNER ANNULAR SHELL ELECTRODE HAVING AN OUTER CONVEX SURFACE AND BEING CONSTRUCTED OF THIN CONDUCTIVE MATERIAL CAPABLE OF PENETRATION BY A RAPIDLY RISING MAGNETIC FIELD, AN OUTER ANNULAR ELECTRODE CONCENTRIC WITH SAID INNER ELECTRODE WITH A CONCAVE SURFACE FACING THE CONVEX SURFACE THEREOF AND DEFINING AN ANNULAR CHAMBER THEREBETWEEN, A HIGH VOLTAGE SOURCE COUPLED ACROSS SAID ELECTRODES TO PRODUCE AN ELECTRIC FIELD THEREBETWEEN WITHIN SAID CHAMBER, MEANS INCLUDING A SOLENOID DISPOSED CONCENTRICALLY WITHIN SAID ANNULAR ELECTRODE FOR PRODUCING A MAGNETIC FIELD PERPENDRICULAR TO SAID ELECTRIC FIELD WITHIN SAID CHAMBER AND SUBATMOSPHERIC GAS SUPPLY MEANS COUPLED TO SAID CHAMBER FOR SUPPLYING AN IONIZABLE GAS THERETO.
References Cited (Backward Citations)
US930212A
Cited
US2330849A
Cited
US2499320A
Cited
US2499289A
Cited
US2636990A
Cited
US2728877A
Cited
US2826709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |