US3230418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device having high-gradient magnetic cusp geometry
Assignee: Individual
•
Filing: 1961-06-23
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Granted: 1966-01-18
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Expires: 1981-06-23
Abstract
No abstract record available.
Inventors
- 👤 Raphael A Dandl
- 👤 Robert J Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:14
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/10; H05H1/11; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN IMPROVED MEANS FOR PROVIDING A MAGNETIC FIELD CONFIGURATION POSSESSING CUSPS COMPRISING A FIRST PAIR OF CONCENTRIC INNER AND OUTER MAGNETIC MIRROR COILS, A SECOND PAIR OF CONCENTRIC INNER AND OUTER MAGNETIC MIRROR COILS, SPACED APART AND IN ALIGNMENT WITH SAID FIRST PAIR OF COILS, SAID COILS BEING ENCLOSED WITHIN EVACUATED ENCLOSURE, MEANS FOR ENERGIZING EACH OF SAID OUTER COILS TO PROVIDE A FIELD REINFORCING THE OTHER, AND MEANS FOR ENERGIZ-
Claim 2
Dependent Claim
71 words
AN IMPROVED MEANS FOR PROVIDING A MAGNETIC FIELD CONFIGURATION POSSESSING CUSPS COMPRISING A FIRST PAIR OF CONCENTRIC INNER AND OUTER MAGNETIC MIRROR COILS, A SECOND PAIR OF CONCENTRIC INNER AND OUTER MAGNETIC MIRROR COILS, SPACED APART AND IN ALIGNMENT WITH SAID FIRST PAIR OF COILS, SAID COILS BEING ENCLOSED WITHIN EVACUATED ENCLOSURE, MEANS FOR ENERGIZING EACH OF SAID OUTER COILS TO PROVIDE A FIELD REINFORCING THE OTHER, AND MEANS FOR ENERGIZ-
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |