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US3255401A
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Pyroelectric generator
Assignee: U S SONICS CORP
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Filing: 1964-09-01
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Granted: 1966-06-07
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Expires: 1984-09-01
Abstract
No abstract record available.
Inventors
- 👤 Koln Carol
- 👤 Peter H Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:09
CPC Classifications
H; H02; H02N; H02N11/00; H02N11/002; H10; H10N; H10N15/00; H10N15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN ELECTRICAL GENERATING SYSTEM COMPRISING, IN COMBINATION, A PYROELECTRIC TRANSDUCER HAVING THE FORM OF A SHELL, SAID TRANSDUCER HAVING A PAIR OF ELECTRODES AND BEING CAPABLE OF DEVELOPING A VOLTAGE BETWEEN SAID ELECTRODES IN RESPONSE TO CHANGES IN ITS TEMPERATURE, A HEAT SOURCE DISPOSED WITHIN SAID SHELL AND CONFRONTING TO A SUBSTANTIAL PORTION OF THE INNER SURFACE THEREOF WHEN AT A FIRST TEMPERATURE, A HEAT SINK DISPOSED ADJACENT AN OUTER SURFACE OF SAID SHELL OPPOSITE SAID INNER SURFACE AND SUBSTANTIALLY CONFORMING TO SAID OUTER SURFACE WHEN AT A SECOND TEMPERATURE GREATER THAN SAID FIRST TEMPERATURE, WHERE-
Claim 2
Dependent Claim
96 words
AN ELECTRICAL GENERATING SYSTEM COMPRISING, IN COMBINATION, A PYROELECTRIC TRANSDUCER HAVING THE FORM OF A SHELL, SAID TRANSDUCER HAVING A PAIR OF ELECTRODES AND BEING CAPABLE OF DEVELOPING A VOLTAGE BETWEEN SAID ELECTRODES IN RESPONSE TO CHANGES IN ITS TEMPERATURE, A HEAT SOURCE DISPOSED WITHIN SAID SHELL AND CONFRONTING TO A SUBSTANTIAL PORTION OF THE INNER SURFACE THEREOF WHEN AT A FIRST TEMPERATURE, A HEAT SINK DISPOSED ADJACENT AN OUTER SURFACE OF SAID SHELL OPPOSITE SAID INNER SURFACE AND SUBSTANTIALLY CONFORMING TO SAID OUTER SURFACE WHEN AT A SECOND TEMPERATURE GREATER THAN SAID FIRST TEMPERATURE, WHERE-
References Cited (Backward Citations)
US2838723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |