Patent US3159979A successfully refreshed from Google Patents.
US3159979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric system
Assignee: Individual
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Filing: 1963-06-27
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Granted: 1964-12-08
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Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 Frank W Anders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:02
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; F25B2321/00; F25B2321/02; F25B2321/021; F25B2321/0212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A COOLING ELEMENT COMPRISING: GENERATOR MEANS FOR GENERATING D.C. PULSES WITH A PULSE WIDTH OF LESS THAN ONE MILLISECOND HAVING A POSITIVE TERMINAL AND A NEGATIVE TERMINAL A FIRST CONDUCTOR ELECTRICALLY CONNECTED TO SAID POSITIVE TERMINAL OF SAID GENERATOR MEANS; A BODY OF N-TYPE MATERIAL, ELECTRICALLY CONNECTED TO SAID FIRST CONDUCTOR; A SECOND CONDUCTOR ELECTRICALLY CONNECTED TO SAID NEGATIVE TERMINAL OF SAID GENERATOR MEANS; A BODY OF P-TYPE MATERIAL, ELECTRICALLY CONNECTED TO SAID SECOND CONDUCTOR; A THIRD CONDUCTOR, ELECTRICALLY CONNECTING SAID BODY OF N-TYPE MATERIAL AND SAID BODY OF P-TYPE MATERIAL; AND A CONTAINER ENCLOSING SAID THIRD CONDUCTOR AND SEPARATING SAID THIRD CONDUCTOR FROM SAID FIRST AND SECOND CONDUCTORS, WHEREBY HEAT IS REMOVED FROM SAID CONTAINER BY THE COOLING OF SAID THIRD CONDUCTOR AND HEAT IS DISSIPATED BY SAID FIRST AND SECOND CONDUCTOR.
Claim 2
Dependent Claim
133 words
A COOLING ELEMENT COMPRISING: GENERATOR MEANS FOR GENERATING D.C. PULSES WITH A PULSE WIDTH OF LESS THAN ONE MILLISECOND HAVING A POSITIVE TERMINAL AND A NEGATIVE TERMINAL A FIRST CONDUCTOR ELECTRICALLY CONNECTED TO SAID POSITIVE TERMINAL OF SAID GENERATOR MEANS; A BODY OF N-TYPE MATERIAL, ELECTRICALLY CONNECTED TO SAID FIRST CONDUCTOR; A SECOND CONDUCTOR ELECTRICALLY CONNECTED TO SAID NEGATIVE TERMINAL OF SAID GENERATOR MEANS; A BODY OF P-TYPE MATERIAL, ELECTRICALLY CONNECTED TO SAID SECOND CONDUCTOR; A THIRD CONDUCTOR, ELECTRICALLY CONNECTING SAID BODY OF N-TYPE MATERIAL AND SAID BODY OF P-TYPE MATERIAL; AND A CONTAINER ENCLOSING SAID THIRD CONDUCTOR AND SEPARATING SAID THIRD CONDUCTOR FROM SAID FIRST AND SECOND CONDUCTORS, WHEREBY HEAT IS REMOVED FROM SAID CONTAINER BY THE COOLING OF SAID THIRD CONDUCTOR AND HEAT IS DISSIPATED BY SAID FIRST AND SECOND CONDUCTOR.
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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |