Patent US3244943A successfully refreshed from Google Patents.
US3244943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous magnetic-flux pump
Assignee: California Institute Research Foundation
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Filing: 1961-11-29
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Granted: 1966-04-05
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Alvin F Hildebrandt
- 👤 Daniel D Elleman
- 👤 Frank C Whitmore
- 👤 Randall A Simpkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:01
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/005; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/869; Y10S505/87
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A MAGNETIC-FLUX PUMP COMPRISING FIRST, SUPERCONDUCTIVE MEANS FOR ESTABLISHING A FIRST MAGNETIC-FLUX TRAPPING REGION, SECOND SUPERCONDUCTIVE MEANS FOR ESTABLISHING A SECOND MAGNETIC-FLUX TRAPPING REGION, FIRST MEANS FOR ENABLING WHEN OPERATIVE THE INTRODUCTION OF MAGNETIC FLUX INTO SAID MAGNETIC-FLUX TRAPPING REGION, MEANS FOR CONTROLLING THE OPERABILITY OF SAID FIRST MEANS, MEANS FOR APPLYING MAGNETIC FLUX TO SAID FIRST MAGNETIC-FLUX TRAPPING REGION WHEN SAID FIRST MEANS IS OPERATIVE, SECOND MEANS FOR ENABLING WHEN OPERATIVE THE TRANSFER OF MAGNETIC FLUX FROM SAID FIRST TO SAID SECOND MAGNETICFLUX TRAPPING REGION, MEANS FOR CONTROLLING THE OPERABILITY OF SAID SECOND MEANS, AND MEANS FOR DRIVING MAGNETIC FLUX FROM SAID FIRST TO SAID SECOND FLUX-TRAPPING REGION WHEN SAID SECOND MEANS IS OPERATIVE.
Claim 2
Dependent Claim
115 words
A MAGNETIC-FLUX PUMP COMPRISING FIRST, SUPERCONDUCTIVE MEANS FOR ESTABLISHING A FIRST MAGNETIC-FLUX TRAPPING REGION, SECOND SUPERCONDUCTIVE MEANS FOR ESTABLISHING A SECOND MAGNETIC-FLUX TRAPPING REGION, FIRST MEANS FOR ENABLING WHEN OPERATIVE THE INTRODUCTION OF MAGNETIC FLUX INTO SAID MAGNETIC-FLUX TRAPPING REGION, MEANS FOR CONTROLLING THE OPERABILITY OF SAID FIRST MEANS, MEANS FOR APPLYING MAGNETIC FLUX TO SAID FIRST MAGNETIC-FLUX TRAPPING REGION WHEN SAID FIRST MEANS IS OPERATIVE, SECOND MEANS FOR ENABLING WHEN OPERATIVE THE TRANSFER OF MAGNETIC FLUX FROM SAID FIRST TO SAID SECOND MAGNETICFLUX TRAPPING REGION, MEANS FOR CONTROLLING THE OPERABILITY OF SAID SECOND MEANS, AND MEANS FOR DRIVING MAGNETIC FLUX FROM SAID FIRST TO SAID SECOND FLUX-TRAPPING REGION WHEN SAID SECOND MEANS IS OPERATIVE.
References Cited (Backward Citations)
US2946030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |