Patent US3275922A successfully refreshed from Google Patents.
US3275922A
Expired / Lapsed
US
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Conversion and ballast unit
Assignee: Unisys Corp
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Filing: 1962-12-19
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Granted: 1966-09-27
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Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Kenneth I Meyer
- 👤 Beck Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:07
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/02; H05B41/04; H05B41/042; H05B41/14; H05B41/16; H05B41/20; H05B41/23; H05B41/231; Y; Y10; Y10S; Y10S174/00; Y10S174/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A CONVERSION UNIT FOR LIGHTING FIXTURES FOR INCREASING THE PEAK OUTPUT VOLTAGE AND CONTROLLING THE CURRENT THEREFROM COMPRISING, (1) VOLTAGE DOUBLER CIRCUIT MEANS HAVING A PAIR OF RECTIFYING MEANS AND A PAIR OF CONDENSERS CONNECTED TO TERMINALS ADAPTED TO BE ENERGIZED BY AN ALTERNATING CURRENT SOURCE FOR PROVIDING VOLTAGE DOUBLING RECTIFICATION, (2) SAID CONDENSERS BEING COAXIALLY ARRANGED ONE WITHIN THE OTHER, THE INNERMOST CONDENSER HAVING A COAXIAL APERTURE ADAPTED TO RECEIVE A SOCKET, (3) SAID VOLTAGE DOUBLER CIRCUIT MEANS FURTHER INCLUDING CURRENT LIMITING MEANS, (4) A SOCKET DISPOSED WITHIN SAID APERTURE AND ADAPTED TOR ECEIVE A LAMP, (5) A BASE ADAPTED TO BE RECEIVED IN SAID LIGHTING FIXTURE, (6) SAID VOLTAGE DOUBLING CIRCUINT MEANS BEING CONNECTED TO SAID BASE AND SAID SOCKET, AND (7) A HOUSING MEANS FOR ENCLOSING SAID CIRCUIT MEANS AND TO WHICH SAID BASE IS ATTACHED.
Claim 2
Dependent Claim
139 words
A CONVERSION UNIT FOR LIGHTING FIXTURES FOR INCREASING THE PEAK OUTPUT VOLTAGE AND CONTROLLING THE CURRENT THEREFROM COMPRISING, (1) VOLTAGE DOUBLER CIRCUIT MEANS HAVING A PAIR OF RECTIFYING MEANS AND A PAIR OF CONDENSERS CONNECTED TO TERMINALS ADAPTED TO BE ENERGIZED BY AN ALTERNATING CURRENT SOURCE FOR PROVIDING VOLTAGE DOUBLING RECTIFICATION, (2) SAID CONDENSERS BEING COAXIALLY ARRANGED ONE WITHIN THE OTHER, THE INNERMOST CONDENSER HAVING A COAXIAL APERTURE ADAPTED TO RECEIVE A SOCKET, (3) SAID VOLTAGE DOUBLER CIRCUIT MEANS FURTHER INCLUDING CURRENT LIMITING MEANS, (4) A SOCKET DISPOSED WITHIN SAID APERTURE AND ADAPTED TOR ECEIVE A LAMP, (5) A BASE ADAPTED TO BE RECEIVED IN SAID LIGHTING FIXTURE, (6) SAID VOLTAGE DOUBLING CIRCUINT MEANS BEING CONNECTED TO SAID BASE AND SAID SOCKET, AND (7) A HOUSING MEANS FOR ENCLOSING SAID CIRCUIT MEANS AND TO WHICH SAID BASE IS ATTACHED.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |