US3243654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric flash circuit utilizing inductive energy storage at superconductive temperatures
Assignee: Revvity Inc
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Filing: 1964-03-19
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Granted: 1966-03-29
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Expires: 1984-03-19
Abstract
No abstract record available.
Inventors
- 👤 David E Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:10
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/869; Y10S505/87
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A FLASH CIRCUIT COMPRISING: A TRANSFORMER HAVING INDUCTIVELY COUPLED PRIMARY AND SECONDARY WINDINGS, THE PRIMARY WINDING HAVING MORE TURNS THAN THE SECONDARY; A SOURCE OF D.-C. POTENTIAL; A CHARGING SWITCH; MEANS FOR CONNECTING THE PRIMARY WINDING TO THE SOURCE OF POTENTIAL THROUGH THIS SWITCH, SAID SOURCE BUILDING UP ENERGY IN SAID WINDING WHEN THE SWITCH IS CLOSED; AN ENERGY STORAGE CIRCUIT HAVING: THE SAID SECONDARY WINDING; AND A REMOTELY ACTUATED STORAGE SWITCH IN CIRCUIT WITH THE SECONDARY WINDING; MEANS FOR MAINTAINING THE STORAGE CIRCUIT SUPERCONDUCTIVE; A GAS-FILLED, TRIGGERED FLASHTUBE WITH A PAIR OF PRINCIPAL ELECTRODES CONNECTED ACROSS THE PRIMARY WINDING;
References Cited (Backward Citations)
US2531220A
Cited
US2628331A
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GB745957A
Cited
US2939984A
Cited
US3026151A
Cited
US3050643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |