US3580802A
Expired / Lapsed
US
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Device for determining the shape of magnetic surfaces in toroidal configurations containing plasma
Assignee: United States Atomic Energy Commission
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Filing: 1969-04-22
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Granted: 1971-05-25
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Expires: 1989-04-22
Abstract
Abstract METHOD OF SURVEYING THE SHAPE AND LOCATION OF MAGNETIC SURFACES IN A STELLARATOR WITH AN ELECTROSTATIC ACOUSTIC OSCILLATION MODE THAT DOMINATES ORDINARY SOUND WAVES ASSOCIATED WITH PLASMA PARTICLE MOTION ALONG THE MAGENTIC SURFACES.
Inventors
- 👤 John L Johnson
- 👤 Niels K Winsor
- 👤 John M Dawson
- 👤 Rolf M Sinclair
- 👤 Joel C Hosea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:56
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/10; H05H1/0006; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
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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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |