US3090737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma heating apparatus and process
Assignee: RCA Corp
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Filing: 1960-02-24
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Granted: 1963-05-21
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Expires: 1980-02-24
Abstract
No abstract record available.
Inventors
- 👤 George A Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:09
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/16; H05H1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A METHOD OF HEATING A GASEOUS PLASMA RADIALLY CONFINED IN A RACTION ZONE BY A UNIDIRECTIONAL MAGNETIC FIELD PARALLEL TO THE AXIS OF SAID ZONE, THE IMPROVEMENT IN SAID METHOD COMPRISING: APPLYING A FIRST VARYING ELECTRIC FIELD TO SAID PLASMA TRANSVERSE TO SAID REACTION ZONE, AND APPLYING A SECOND SUBSTANTIALLY OPPOSITELY PHASED VARYING ELECTRIC FIELD TO SAID PLASMA TRANSVERSE TO SAID REACTION ZONE AXIALLY DISPLACED FROM SAID FIRST ELECTRIC FIG:01 FIELD, EACH OF SAID ELECTRIC FIELDS HAVING A FREQUENCY SUBSTANTIALLY EQUAL TO A CYCLOTRON RESONANCE FREQUENCY OF SAID PLASMA.
Claim 2
Dependent Claim
90 words
IN A METHOD OF HEATING A GASEOUS PLASMA RADIALLY CONFINED IN A RACTION ZONE BY A UNIDIRECTIONAL MAGNETIC FIELD PARALLEL TO THE AXIS OF SAID ZONE, THE IMPROVEMENT IN SAID METHOD COMPRISING: APPLYING A FIRST VARYING ELECTRIC FIELD TO SAID PLASMA TRANSVERSE TO SAID REACTION ZONE, AND APPLYING A SECOND SUBSTANTIALLY OPPOSITELY PHASED VARYING ELECTRIC FIELD TO SAID PLASMA TRANSVERSE TO SAID REACTION ZONE AXIALLY DISPLACED FROM SAID FIRST ELECTRIC FIG:01 FIELD, EACH OF SAID ELECTRIC FIELDS HAVING A FREQUENCY SUBSTANTIALLY EQUAL TO A CYCLOTRON RESONANCE FREQUENCY OF SAID PLASMA.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |