US3259794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent-photoconductive triggering device
Assignee: GTE Sylvania Inc
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Filing: 1963-07-15
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Granted: 1966-07-05
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Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 Krawitz Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:00
CPC Classifications
H; H05; H05B; H05B44/00; Y; Y02; Y02B; Y02B20/00; Y02B20/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
MEANS FOR TRIGGERING LAMPS TO BECOME LIT COMPRISING AN ENERGIZING SOURCE, A LAMP, AND A SWITCH IN SERIES THEREWITH CONNECTED TO THE ENERGIZING SOURCE, A NUMBER OF PHOTOCONDUCTIVE CELLS ADAPTED TO BE IRRADIATED BY THE LAMP, A SECOND LAMP AND SERIES CONNECTED SWITCH CONNECTED TO THE ENERGIZING SOURCE, A NUMBER OF PHOTOCONDUCTIVE CELLS ADAPTED TO BE IRRADIATED BY THE SECOND LAMP, THERE BEING ONE LESS PHOTOCONDUCTIVE CELL IRRADIATED BY THE SECOND LAMP THAN BY THE FIRST LAMP, A THIRD SERIES CONNECTED LAMP AND SWITCH ACROSS THE ENERGIZING SOURCE, AND AT LEAST ONE PHOTOCONDUCTIVE CELL IRRADIATED BY SAID THIRD LAMP, ONE OF THE PHOTOCONDUCTIVE CELLS OF THE FIRST LAMP BRIDGING THE SWITCH OF THE SECOND LAMP, A SECOND PHOTOCONDUCTIVE CELL OF THE FIRST LAMP BRIDGING THE SWITCH OF THE THIRD LAMP, THE PHOTOCONDUCTIVE CELL ASSOCIATED WITH THE SECOND LAMP BRIDGING THE SWITCH OF THE THIRD
Claim 2
Dependent Claim
144 words
MEANS FOR TRIGGERING LAMPS TO BECOME LIT COMPRISING AN ENERGIZING SOURCE, A LAMP, AND A SWITCH IN SERIES THEREWITH CONNECTED TO THE ENERGIZING SOURCE, A NUMBER OF PHOTOCONDUCTIVE CELLS ADAPTED TO BE IRRADIATED BY THE LAMP, A SECOND LAMP AND SERIES CONNECTED SWITCH CONNECTED TO THE ENERGIZING SOURCE, A NUMBER OF PHOTOCONDUCTIVE CELLS ADAPTED TO BE IRRADIATED BY THE SECOND LAMP, THERE BEING ONE LESS PHOTOCONDUCTIVE CELL IRRADIATED BY THE SECOND LAMP THAN BY THE FIRST LAMP, A THIRD SERIES CONNECTED LAMP AND SWITCH ACROSS THE ENERGIZING SOURCE, AND AT LEAST ONE PHOTOCONDUCTIVE CELL IRRADIATED BY SAID THIRD LAMP, ONE OF THE PHOTOCONDUCTIVE CELLS OF THE FIRST LAMP BRIDGING THE SWITCH OF THE SECOND LAMP, A SECOND PHOTOCONDUCTIVE CELL OF THE FIRST LAMP BRIDGING THE SWITCH OF THE THIRD LAMP, THE PHOTOCONDUCTIVE CELL ASSOCIATED WITH THE SECOND LAMP BRIDGING THE SWITCH OF THE THIRD
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |