Patent US3125860A successfully refreshed from Google Patents.
US3125860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric cooling system
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:34
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; H; H10; H10N; H10N19/00; H10N19/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A THERMOELECTRIC COOLING SYSTEM HAVING A PLURALITY OF COOLING STAGES AND A PLURALITY OF THERMOELECTRIC COOLING ELEMENTS OR ARMS IN EACH STAGE AND THERMALLY CONNECTED TO A HEAT SINK AND ADAPTED TO SATISFY A GIVEN HEAT PUMPING REQUIREMENT FOR A GIVEN ELECTRICAL POWER INPUT, THE COMBINATION OF A PLURALITY OF SUCCESSIVE COOLING STAGES WHEREIN THE COLD JUNCTION TEMPERATURE OF EACH STAGE IS MADE TO SATISFY THE FOLLOWING RELATIONSHIPS
Claim 2
Dependent Claim
69 words
IN A THERMOELECTRIC COOLING SYSTEM HAVING A PLURALITY OF COOLING STAGES AND A PLURALITY OF THERMOELECTRIC COOLING ELEMENTS OR ARMS IN EACH STAGE AND THERMALLY CONNECTED TO A HEAT SINK AND ADAPTED TO SATISFY A GIVEN HEAT PUMPING REQUIREMENT FOR A GIVEN ELECTRICAL POWER INPUT, THE COMBINATION OF A PLURALITY OF SUCCESSIVE COOLING STAGES WHEREIN THE COLD JUNCTION TEMPERATURE OF EACH STAGE IS MADE TO SATISFY THE FOLLOWING RELATIONSHIPS
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |