Patent US3309566A successfully refreshed from Google Patents.
US3309566A
Expired / Lapsed
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Electrical system for gas discharge lamp
Assignee: Bank of America Illinois
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Filing: 1964-11-20
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Granted: 1967-03-14
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Expires: 1984-11-20
Abstract
No abstract record available.
Inventors
- 👤 Maksymilian A Michalski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:55
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/34; H05B41/02; H05B41/04; H05B41/042; Y; Y10; Y10S; Y10S315/00; Y10S315/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN ELECTRIC SYSTEM COMPRISING AN ELECTRIC DISCHARGE LAMP, AN OPERATING CIRCUIT CONNECTED TO AN ALTERNATING CURRENT SOURCE OF RELATIVELY LOW FREQUENCY, AN OPERATING CIRCUIT CURRENT LIMITING IMPEDANCE, A MAIN CAPACITOR CONNECTED IN SERIES WITH THE OPERATING CIRCUIT CURRENT LIMITING IMPEDANCE ACROSS SAID LOW FREQUENCY SOURCE, A SATURABLE REACTOR INCLUDING A MAIN WINDING CONNECTED IN SERIES WITH SAID LAMP ACROSS SAID CAPACITOR, A STARTING CIRCUIT SUPPLIED BY SAID SOURCE OF POTENTIAL, STARTING CIRCUIT CURRENT LIMITING IMPEDANCE, A BILATERAL SWITCHING DIODE, A TRIGGERING CAPACITOR, AN AUXILIARY WINDING FOR THE SATURABLE REACTOR, SAID TRIGGERING CAPACITOR AND SAID STARTING CIRCUIT CURRENT LIMITING IMPEDANCE CONNECTED IN SERIES AND FORMING RESISTANCE-CAPACITANCE CIRCUIT MEANS, SAID RESISTANCE-CAPACITANCE CIRCUIT MEANS SUPPLIED BY SAID SOURCE OF POTENTIAL, SAID BILATERAL SWITCHING DIODE AND SAID AUXILIARY WINDING CONNECTED IN SERIES WITH SAID TRIGGERING CAPACITOR SO THAT UPON CONDUCTION OF SAID BILATERAL SWITCHING DIODE THE TRIGGERING CAPACITOR IS DISCHARGED THROUGH SAID
Claim 2
Dependent Claim
148 words
AN ELECTRIC SYSTEM COMPRISING AN ELECTRIC DISCHARGE LAMP, AN OPERATING CIRCUIT CONNECTED TO AN ALTERNATING CURRENT SOURCE OF RELATIVELY LOW FREQUENCY, AN OPERATING CIRCUIT CURRENT LIMITING IMPEDANCE, A MAIN CAPACITOR CONNECTED IN SERIES WITH THE OPERATING CIRCUIT CURRENT LIMITING IMPEDANCE ACROSS SAID LOW FREQUENCY SOURCE, A SATURABLE REACTOR INCLUDING A MAIN WINDING CONNECTED IN SERIES WITH SAID LAMP ACROSS SAID CAPACITOR, A STARTING CIRCUIT SUPPLIED BY SAID SOURCE OF POTENTIAL, STARTING CIRCUIT CURRENT LIMITING IMPEDANCE, A BILATERAL SWITCHING DIODE, A TRIGGERING CAPACITOR, AN AUXILIARY WINDING FOR THE SATURABLE REACTOR, SAID TRIGGERING CAPACITOR AND SAID STARTING CIRCUIT CURRENT LIMITING IMPEDANCE CONNECTED IN SERIES AND FORMING RESISTANCE-CAPACITANCE CIRCUIT MEANS, SAID RESISTANCE-CAPACITANCE CIRCUIT MEANS SUPPLIED BY SAID SOURCE OF POTENTIAL, SAID BILATERAL SWITCHING DIODE AND SAID AUXILIARY WINDING CONNECTED IN SERIES WITH SAID TRIGGERING CAPACITOR SO THAT UPON CONDUCTION OF SAID BILATERAL SWITCHING DIODE THE TRIGGERING CAPACITOR IS DISCHARGED THROUGH SAID
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |