US3412318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacitor electric power generator
Assignee: United Shoe Machinery Corp
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Filing: 1964-11-18
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Granted: 1968-11-19
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Expires: 1984-11-18
Abstract
No abstract record available.
Inventors
- 👤 Hugh A Robinson
- 👤 O'gorman Vincent
- 👤 Willard B Spring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:55
CPC Classifications
H; H02; H02N; H02N1/00; H02N1/06; H02N1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
IN AN ELECTRIC GENERATING SYSTEM, THE COMBINATION WITH A LOBAR WAVE GENERATOR ROTATABLE ABOUT AN AXIS, OF AN HERMETIC FLEXTUBE HAVING A SURFACE RADIALLY DEFLECTIBLE BY THE WAVE GENERATOR AND COAXIAL THEREWITH, A CIRCUMFERENTIAL SERIES OF FIXED CAPACITOR PLATES ARRANGED ABOUT THE FLEXTUBE AND ELECTRICALLY INSULATED FROM ONE ANOTHER, THE DEFLECTIBLE SURFACE OF THE FLEXTUBE CONSTITUTING WITH SAID FIXED PLATES A PLURALITY OF CIRCUIT COUPLING CAPACITORS HAVING THEIR RESPECTIVE GAPS VARIABLE HARMONICALLY BY WAVE GENERATOR, MEANS INCLUDING A RECTIFIER FOR APPLYING LOW VOLTAGE TO THE RESPECTIVE CAPACITORS, AND A CIRCUIT INCLUDING A RECTIFIER CONNECTED TO EACH CAPACITOR FOR CONDUCTING TO A LOAD AT HIGHER VOLTAGE THE OUTPUT OF SAID CAPACITORS AS THEIR RESPECTIVE GAPS ARE INCREASED.
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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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |