US3111008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric control system
Assignee: Energy Conversion Inc
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Filing: 1962-11-14
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Granted: 1963-11-19
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Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 Robert E Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
H; H10; H10N; H10N10/00; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/1927; G05D23/20; G05D23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A THERMOELECTRIC CONTROL SYSTEM COMPRISING: AN ELECTRICAL POWER SOURCE, A POWER CONTROL CIRCUIT ENERGIZED BY SAID ELECTRICAL POWER SOURCE AND INCLUDING MEANS TO PRODUCE THEREFROM CURRENT IN WAVES OF INTENSITY VARYING IN REGULAR PERIODICITY AND OF AT LEAST SELECTIVELY THE SAME POLARITY, A THERMOELECTRIC HEAT PUMP ENERGIZED BY SAID WAVES FROM SAID POWER CONTROL CIRCUIT,
Claim 2
Dependent Claim
55 words
A THERMOELECTRIC CONTROL SYSTEM COMPRISING: AN ELECTRICAL POWER SOURCE, A POWER CONTROL CIRCUIT ENERGIZED BY SAID ELECTRICAL POWER SOURCE AND INCLUDING MEANS TO PRODUCE THEREFROM CURRENT IN WAVES OF INTENSITY VARYING IN REGULAR PERIODICITY AND OF AT LEAST SELECTIVELY THE SAME POLARITY, A THERMOELECTRIC HEAT PUMP ENERGIZED BY SAID WAVES FROM SAID POWER CONTROL CIRCUIT,
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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |