US3143477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma confining device
Assignee: Thales SA
•
Filing: 1960-05-17
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Granted: 1964-08-04
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Expires: 1980-05-17
Abstract
No abstract record available.
Inventors
- 👤 Dolique Jean-Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:51
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/10; H05H1/12; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PLASMA CONFINING DEVICE, COMPRISING A RING-SHAPED VESSEL, MAGNETIC FIELD GENERATING MEANS ASSOCIATED WITH SAID VESSEL FOR ESTABLISHING ON THE INSIDE THEREOF A MAGNETIC FIELD HAVING LINES OF FORCE ESSENTIALLY PARALLEL TO THE WALLS OF SAID VESSEL, MAGNETIC MIRROR MEANS DISTRIBUTED ALONG SAID RING FOR TIGHTENING AT PREDETERMINED SPATIAL INTERVALS THE DENSITY OF SAID MAGNETIC LINES OF FORCE, MEANS FOR FILLING SAID VESSEL WITH PLASMA, AND MEANS FOR ESTABLISHING WITHIN SAID PLASMA A PATTERN OF TRANSVERSE HYDROMEGNETIC WAVES HAVING A STANDING DISTRIBUTION WITH ANTINODES LOCATED SUBSTANTIALLY WITHIN THE PLANES OF MAXIMUM DENSITY OF SAID TIGHTENED MAGNETIC LINES OF FORCE.
Claim 2
Dependent Claim
99 words
A PLASMA CONFINING DEVICE, COMPRISING A RING-SHAPED VESSEL, MAGNETIC FIELD GENERATING MEANS ASSOCIATED WITH SAID VESSEL FOR ESTABLISHING ON THE INSIDE THEREOF A MAGNETIC FIELD HAVING LINES OF FORCE ESSENTIALLY PARALLEL TO THE WALLS OF SAID VESSEL, MAGNETIC MIRROR MEANS DISTRIBUTED ALONG SAID RING FOR TIGHTENING AT PREDETERMINED SPATIAL INTERVALS THE DENSITY OF SAID MAGNETIC LINES OF FORCE, MEANS FOR FILLING SAID VESSEL WITH PLASMA, AND MEANS FOR ESTABLISHING WITHIN SAID PLASMA A PATTERN OF TRANSVERSE HYDROMEGNETIC WAVES HAVING A STANDING DISTRIBUTION WITH ANTINODES LOCATED SUBSTANTIALLY WITHIN THE PLANES OF MAXIMUM DENSITY OF SAID TIGHTENED MAGNETIC LINES OF FORCE.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |