US3075360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric heat pump assembly
Assignee: Individual
•
Filing: 1961-02-06
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Granted: 1963-01-29
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Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 Thore M Elfving
- 👤 Richard D Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:46
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; H; H10; H10N; H10N10/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A THERMOELECTRIC HEAT PUMP ASSEMBLY COMPRISING A THERMOCOUPLE ASSEMBLY INCLUDING HOT AND COLD JUNCTION PLATES EACH DISPOSED SUBSTANTIALLY ON A RESPECTIVE PLANE, ANODIZED ALUMINUM HAVING A GROOVED SURFACE ADAPTED TO BE PLACED IN THERMAL CONTACT WITH SELECTED JUNCTION PLATES, SAID GROOVES SERVING TO FORM A PLURALITY OF SMALL INDIVIDUAL CONTACT SURFACES ON SAID ALUMINUM, AND BONDING MATERIAL SERVING TO BOND THE JUNCTION PLATES TO THE COOPERATING CONTACT SURFACES.
Claim 2
Dependent Claim
68 words
A THERMOELECTRIC HEAT PUMP ASSEMBLY COMPRISING A THERMOCOUPLE ASSEMBLY INCLUDING HOT AND COLD JUNCTION PLATES EACH DISPOSED SUBSTANTIALLY ON A RESPECTIVE PLANE, ANODIZED ALUMINUM HAVING A GROOVED SURFACE ADAPTED TO BE PLACED IN THERMAL CONTACT WITH SELECTED JUNCTION PLATES, SAID GROOVES SERVING TO FORM A PLURALITY OF SMALL INDIVIDUAL CONTACT SURFACES ON SAID ALUMINUM, AND BONDING MATERIAL SERVING TO BOND THE JUNCTION PLATES TO THE COOPERATING CONTACT SURFACES.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |