Patent US3977474A successfully refreshed from Google Patents.
US3175104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage electric generator
Assignee: Individual
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Filing: 1962-04-16
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Granted: 1965-03-23
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Cyril D Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:28
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/02; H02M3/16; H02M3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN ELECTRIC GENERATOR COMPRISING A VARIABLE CAPACITOR, MEANS FOR CYCLICALLY VARYING THE CAPACITANCE OF SAID VARIABLE CAPACITOR, FIRST AND SECOND FIXED CAPACITORS, MEANS FOR APPLYING AN INITIAL CHARGE TO SAID CAPACITORS, MEANS FOR SERIES DISCHARGING SAID VARIABLE CAPACITOR INTO SAID FIRST AND SECOND CAPACITORS RESPONSIVE TO THE VARYING CAPACITANCE OF SAID VARIABLE CAPACITOR, AND MEANS FOR PARALLEL DISCHARGING SAID FIRST AND SECOND CAPACITORS INTO SAID VARIABLE CAPACITOR RESPONSIVE TO THE VARYING CAPACITANCE OF SAID VARIABLE CAPACITOR, WHEREBY THE CHARGE ON SAID VARIABLE CAPACITOR IS INCREASED, THE OUTPUT OF SAID GENERATOR BEING TAKEN ACROSS SAID VARIABLE CAPACITOR.
Claim 2
Dependent Claim
96 words
AN ELECTRIC GENERATOR COMPRISING A VARIABLE CAPACITOR, MEANS FOR CYCLICALLY VARYING THE CAPACITANCE OF SAID VARIABLE CAPACITOR, FIRST AND SECOND FIXED CAPACITORS, MEANS FOR APPLYING AN INITIAL CHARGE TO SAID CAPACITORS, MEANS FOR SERIES DISCHARGING SAID VARIABLE CAPACITOR INTO SAID FIRST AND SECOND CAPACITORS RESPONSIVE TO THE VARYING CAPACITANCE OF SAID VARIABLE CAPACITOR, AND MEANS FOR PARALLEL DISCHARGING SAID FIRST AND SECOND CAPACITORS INTO SAID VARIABLE CAPACITOR RESPONSIVE TO THE VARYING CAPACITANCE OF SAID VARIABLE CAPACITOR, WHEREBY THE CHARGE ON SAID VARIABLE CAPACITOR IS INCREASED, THE OUTPUT OF SAID GENERATOR BEING TAKEN ACROSS SAID VARIABLE CAPACITOR.
References Cited (Backward Citations)
US3107326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |