US3147390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermo-electrostatic generator
Assignee: Individual
•
Filing: 1960-11-25
•
Granted: 1964-09-01
•
Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Beam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:53
CPC Classifications
H; H10; H10N; H10N15/00; H10N15/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
191 words
A THERMO-ELECTROSTATIC GENERATOR WHICH COMPRISES, A PLURALITY OF GENERATOR UNITS EACH INCLUDING A DIELECTRIC FILM OF FLEXIBLE PLASTIC MATERIAL WHICH CHANGES ITS DIELECTRIC CONSTANT WITH CHANGES IN TEMPERATURE, SAID FILM HAVING A COATING OF ELECTRICALLY CONDUCTING MATERIAL ON ITS OPPOSITE SURFACES INSULATED FROM EACH OTHER AND SUPPORTED BY SAID FILM TO PROVIDE A CAPACITOR WHICH CHANGES ITS CAPACITANCE WITH SAID CHANGES IN TEMPERATURE, SAID FILM BEING SUPPORTED BY ITS EDGES SO AS TO BE POSITIONED FOR EXPOSURE TO VARYING AMOUNTS OF RADIANT ENERGY PRODUCING ALTERNATE HEATING AND COOLING OF SAID FILM, MEANS INCLUDING A SECOND GENERATOR UNIT AND A RECTIFIER FOR CHARGING SAID CAPACITOR WHICH SAID DIELECTRIC IS AT A FIRST TEMPERATURE AND MEANS INCLUDING A THIRD GENERATOR UNIT AND A RECTIFIER FOR WITHDRAWING ELECTRIC ENERGY FROM SAID CAPACITOR WHILE SAID DIELECTRIC IS AT A SECOND TEMPERATURE AT WHICH THE CAPACITANCE OF SAID CAPACITOR IS LOWER AND THE VOLTAGE ACROSS SAID CAPACITOR IS HIGHER THAN AT SAID FIRST TEMPERATURE, SAID SECOND GENERATOR UNIT HAVING ITS FILM AT SAID SECOND TEMPERATURE DURING SAID CHARGING AND SAID THIRD GENERATOR UNIT HAVING ITS FILM AT SAID FIRST TEMPERATURE DURING SAID WITHDRAWING OF ELECTRICAL ENERGY.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |