US3174068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma confining device
Assignee: Thales SA
•
Filing: 1960-04-19
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Granted: 1965-03-16
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Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 Leboutet Hubert
- 👤 Dolique Jean-Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:40
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/16; H05H1/18; H05H1/10; H05H1/12; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PLASMA CONFINEMENT DEVICE COMPRISING AN EVACUATED ASSEMBLY TOROIDALLY-SHAPED ENVELOPE, MEANS FOR EFFECTIVELY FILLING SAID ENVELOPE WITH PLASMA, MEANS FOR PRODUCING IN SAID ENVELOPE A STEADY MAGNETIC PLASMACONFINING FILED EXTENDING ESSENTIALLY OVER THE ENTIRE TORE, AND MEANS FOR INJECTING INTO SAID ENVELOPE ULTRA-HIGHFREQUENCY WAVES IN SUCH A MANNER AS TO PROPAGATE SUBSTANTIALLY IN CLOSED CIRCUIT AND SUBSTANTIALLY IN A SINGLE DIRECTION WITHIN THE SPACE COMPRISED BETWEEN THE PLASMA AND THE WALLS OF SAID TOROIDAL ENVELOPE TO THEREBY EXERT BY THE HIGH FREQUENCY FIELD PRODUCED BY SAID WAVES TRANSVERSE FORCES ON THE PLASMA AND THEREWITH PREVENT THE
Claim 2
Dependent Claim
96 words
A PLASMA CONFINEMENT DEVICE COMPRISING AN EVACUATED ASSEMBLY TOROIDALLY-SHAPED ENVELOPE, MEANS FOR EFFECTIVELY FILLING SAID ENVELOPE WITH PLASMA, MEANS FOR PRODUCING IN SAID ENVELOPE A STEADY MAGNETIC PLASMACONFINING FILED EXTENDING ESSENTIALLY OVER THE ENTIRE TORE, AND MEANS FOR INJECTING INTO SAID ENVELOPE ULTRA-HIGHFREQUENCY WAVES IN SUCH A MANNER AS TO PROPAGATE SUBSTANTIALLY IN CLOSED CIRCUIT AND SUBSTANTIALLY IN A SINGLE DIRECTION WITHIN THE SPACE COMPRISED BETWEEN THE PLASMA AND THE WALLS OF SAID TOROIDAL ENVELOPE TO THEREBY EXERT BY THE HIGH FREQUENCY FIELD PRODUCED BY SAID WAVES TRANSVERSE FORCES ON THE PLASMA AND THEREWITH PREVENT THE
References Cited (Backward Citations)
US2826708A
Cited
US2927232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |