US3365652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermo-electric conversion apparatus
Assignee: CHARLES D SCHWEBEL
•
Filing: 1963-04-10
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Granted: 1968-01-23
•
Expires: 1983-04-10
Abstract
No abstract record available.
Inventors
- 👤 Charles D Schwebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:07
CPC Classifications
H; H02; H02N; H02N11/00; H02N11/002; H01; H01J; H01J45/00; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/867; Y10S505/868
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN ELECTRIC CURRENT GENERATOR COMPRISING MAGNET MEANS HAVING A FLUX PATH BETWEEN THE POLES THEREOF, SAID POLES BEING OF OPPOSITE MAGNETIC POLARITY, A POLE PIECE DEFINING A PORTION OF SAID PATH, AN INDUCTION COIL DISPOSED ABOUT SAID POLE PIECE, AN ELEMENT CAPABLE OF TRANSITION BETWEEN A NORMAL PERMEABLE STATE AND A SUPERCONDUCTING RELATIVELY NONPERMEABLE STATE DISPOSED IN SAID FLUX PATH, AND MEANS FOR ALTERNATIVELY SUBJECTING SAID ELEMENT TO HEAT AND COLD SO AS TO ALTERNATE BETWEEN SAID STATES AND DECREASE AND INCREASE THE EFFECTIVE LENGTH OF SAID FLUX PATH, WHEREBY SAID COIL IS SUBJECTED TO AN EXPANDING AND COLLAPSING MAGNETIC FIELD.
Claim 2
Dependent Claim
101 words
AN ELECTRIC CURRENT GENERATOR COMPRISING MAGNET MEANS HAVING A FLUX PATH BETWEEN THE POLES THEREOF, SAID POLES BEING OF OPPOSITE MAGNETIC POLARITY, A POLE PIECE DEFINING A PORTION OF SAID PATH, AN INDUCTION COIL DISPOSED ABOUT SAID POLE PIECE, AN ELEMENT CAPABLE OF TRANSITION BETWEEN A NORMAL PERMEABLE STATE AND A SUPERCONDUCTING RELATIVELY NONPERMEABLE STATE DISPOSED IN SAID FLUX PATH, AND MEANS FOR ALTERNATIVELY SUBJECTING SAID ELEMENT TO HEAT AND COLD SO AS TO ALTERNATE BETWEEN SAID STATES AND DECREASE AND INCREASE THE EFFECTIVE LENGTH OF SAID FLUX PATH, WHEREBY SAID COIL IS SUBJECTED TO AN EXPANDING AND COLLAPSING MAGNETIC FIELD.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |