US3291647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric device
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1962-09-25
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Granted: 1966-12-13
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Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Schneider Wilhelm
- 👤 Hannover Langenhagen
- 👤 Bottger Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:03
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/10; H10N10/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A THERMOELECTRIC DEVICE, THE COMBINATION COMPRISING: A FIRST AND A SECOND THERMOCOUPLE EACH HAVING A HOT JUNCTION AND A COLD JUNCTION; A FIRST HEAT CONDUCTIVE ELEMENT CONNECTED IN A HEAT CONDUCTIVE MANNER TO THE HOT JUNCTION OF SAID FIRST COUPLE; A SECOND HEAT CONDUCTIVE ELEMENT CONNECTED IN A HEAT CONDUCTIVE MANNER TO THE COLD JUNCTION OF SAID SECOND COUPLE, SAID FIRST AND SECOND ELEMENTS DEFINING A CAVITY DISPOSED BETWEEN, AND THERMALLY COMMUNICATING, THROUGH SAID ELEMENTS, WITH, SAID THERMOCOUPLES, SAID CAVITY HAVING AN INLET; CONDUIT MEANS COMMUNICATING WITH SAID CAVITY VIA SAID INELT; A HEAT CONDUCTIVE LIQUID IN SAID CONDUIT; AND CONTROL MEANS CONNECTED TO SAID CONDUIT MEANS FOR SELECTIVELY CHARGING SAID CAVITY WITH SAID LIQUID AND DISCHARGING IT THEREFROM.
Claim 2
Dependent Claim
120 words
IN A THERMOELECTRIC DEVICE, THE COMBINATION COMPRISING: A FIRST AND A SECOND THERMOCOUPLE EACH HAVING A HOT JUNCTION AND A COLD JUNCTION; A FIRST HEAT CONDUCTIVE ELEMENT CONNECTED IN A HEAT CONDUCTIVE MANNER TO THE HOT JUNCTION OF SAID FIRST COUPLE; A SECOND HEAT CONDUCTIVE ELEMENT CONNECTED IN A HEAT CONDUCTIVE MANNER TO THE COLD JUNCTION OF SAID SECOND COUPLE, SAID FIRST AND SECOND ELEMENTS DEFINING A CAVITY DISPOSED BETWEEN, AND THERMALLY COMMUNICATING, THROUGH SAID ELEMENTS, WITH, SAID THERMOCOUPLES, SAID CAVITY HAVING AN INLET; CONDUIT MEANS COMMUNICATING WITH SAID CAVITY VIA SAID INELT; A HEAT CONDUCTIVE LIQUID IN SAID CONDUIT; AND CONTROL MEANS CONNECTED TO SAID CONDUIT MEANS FOR SELECTIVELY CHARGING SAID CAVITY WITH SAID LIQUID AND DISCHARGING IT THEREFROM.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |