US3409475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric heat pump having printed circuit interconnections
Assignee: Borg Warner Corp
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Filing: 1962-09-19
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Granted: 1968-11-05
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Walter E Breneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:18
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A THERMOELECTRIC HEAT PUMP OF THE TYPE INCLUDING A BASE, SAID BASE INCLUDING A SHEET FORMED OF MATERIAL HAVING RELATIVELY HIGH THERMOL CONDUCTIVITY AND RELATIVELY LOW ELECTRICAL CONDUCTIVITY, A COPPER COATING OVER SUBSTANTIALLY THE ENTIRE SURFACE OF ONE SIDE OF SAID SHEET, A PRINTED COPPER CIRCUIT ON THE OPPOSITE SIDE OF SAID SHEET, SAID PRINTED COPPER CIRCUIT INCLUDING SPACED ARRAYS OF HEAT CONDUCTOR PATTERNS, EACH SAID PATTERN INCLUDING A PLURALITY OF SPACED COPPER COATINGS, EACH OF SAID COPPER COATINGS HAVING A PREDETERMINED AREA, AND A PLURALITY OF ELECTRICALLY CONDUCTIVE COATINGS, EACH OF SAID SPACED ELECTRICALLY CONDUCTIVE COATINGS HAVING A PREDETERMINED AREA AND BEING LOCATED SO AS TO CONNECT AT LEAST THREE ARRAYS IN SERIES; AND A PLURALITY OF THERMOLECTRIC MODULES SECURED TO SAID BASE EACH MODULE INCLUDING A PLURALITY OF P AND N THERMOELECTRIC ELEMENTS ALTERNATELY CONNECTED IN SERIES BY A PLURALITY OF COPPER CONNECTORS ARRANGED IN A PREDETERMINED PATTERN, SAID MODULES BEING SECURED TO SAID BASE SUCH THAT SAID
Claim 2
Dependent Claim
161 words
IN A THERMOELECTRIC HEAT PUMP OF THE TYPE INCLUDING A BASE, SAID BASE INCLUDING A SHEET FORMED OF MATERIAL HAVING RELATIVELY HIGH THERMOL CONDUCTIVITY AND RELATIVELY LOW ELECTRICAL CONDUCTIVITY, A COPPER COATING OVER SUBSTANTIALLY THE ENTIRE SURFACE OF ONE SIDE OF SAID SHEET, A PRINTED COPPER CIRCUIT ON THE OPPOSITE SIDE OF SAID SHEET, SAID PRINTED COPPER CIRCUIT INCLUDING SPACED ARRAYS OF HEAT CONDUCTOR PATTERNS, EACH SAID PATTERN INCLUDING A PLURALITY OF SPACED COPPER COATINGS, EACH OF SAID COPPER COATINGS HAVING A PREDETERMINED AREA, AND A PLURALITY OF ELECTRICALLY CONDUCTIVE COATINGS, EACH OF SAID SPACED ELECTRICALLY CONDUCTIVE COATINGS HAVING A PREDETERMINED AREA AND BEING LOCATED SO AS TO CONNECT AT LEAST THREE ARRAYS IN SERIES; AND A PLURALITY OF THERMOLECTRIC MODULES SECURED TO SAID BASE EACH MODULE INCLUDING A PLURALITY OF P AND N THERMOELECTRIC ELEMENTS ALTERNATELY CONNECTED IN SERIES BY A PLURALITY OF COPPER CONNECTORS ARRANGED IN A PREDETERMINED PATTERN, SAID MODULES BEING SECURED TO SAID BASE SUCH THAT SAID
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |