Patent US3304726A successfully refreshed from Google Patents.
US3304726A
Expired / Lapsed
US
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Thermoelectric refrigeration control means
Assignee: Carrier Corp
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Filing: 1965-02-18
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Granted: 1967-02-21
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Arnold A Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:16
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/30; G05D23/303; F; F24; F24F; F24F5/00; F24F5/0042; F25; F25B; F25B21/00; F25B21/02; G05D23/1906; G05D23/1909; G05D23/1919; G05D23/20; G05D23/24; F25B2321/00; F25B2321/02; F25B2321/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CONTROL FOR AN AIR CONDITIONING UNIT INCLUDING THERMOELECTRIC PANEL MEANS BY SAID CONTROL REGULATING THE ELECTRIC CURRENT SUPPLIED TO THE PANEL MEANS, COMPRISING A SOURCE OF ELECTRICAL ENERGY, A BRIDGE CIRCUIT CONNECTED TO SAID SOURCE OF ELECTRICAL ENERGY, SAID CIRCUIT INCLUDING A LEG INCLUDING MEANS SENSING THE TEMPERATURE OF THE AIR IN THE ENCLOSURE SERVED BY SAID UNIT, A LEG INCLUDING MEANS SENSING THE TEMPERATURE OF THE AIR FLOWING FROM THE UNIT TO THE ENCLOSURE TO PRODUCE A RESULTANT COMPENSATED ELECTRICAL SIGNAL INDICATIVE OF A HEATING OR COOLING REQUIRE-
Claim 2
Dependent Claim
90 words
A CONTROL FOR AN AIR CONDITIONING UNIT INCLUDING THERMOELECTRIC PANEL MEANS BY SAID CONTROL REGULATING THE ELECTRIC CURRENT SUPPLIED TO THE PANEL MEANS, COMPRISING A SOURCE OF ELECTRICAL ENERGY, A BRIDGE CIRCUIT CONNECTED TO SAID SOURCE OF ELECTRICAL ENERGY, SAID CIRCUIT INCLUDING A LEG INCLUDING MEANS SENSING THE TEMPERATURE OF THE AIR IN THE ENCLOSURE SERVED BY SAID UNIT, A LEG INCLUDING MEANS SENSING THE TEMPERATURE OF THE AIR FLOWING FROM THE UNIT TO THE ENCLOSURE TO PRODUCE A RESULTANT COMPENSATED ELECTRICAL SIGNAL INDICATIVE OF A HEATING OR COOLING REQUIRE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |