Patent US293167A successfully refreshed from Google Patents.
Patent US3304457A successfully refreshed from Google Patents.
US3304457A
Expired / Lapsed
US
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High intensity light source
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1961-09-21
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Granted: 1967-02-14
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Expires: 1981-09-21
Abstract
No abstract record available.
Inventors
- 👤 Frithjof N Mastrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:44
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/48; H01; H01T; H01T1/00; H05H1/26; H05H1/32; H05H1/34; H05H1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A HIGH INTENSITY THERMAL LIGHT SOURCE INCLUDING THE COMBINATION OF A CHAMBER CONTAINING A GAS UNDER A PRESSURE IN EXCESS OF 50 ATMOSPHERES, A COMMON ELECTRODE WITHIN THE CHAMBER, A NUMBER OF ELECTRODES DISPOSED SYMMETRICALLY ABOUT THE COMMON ELECTRODE AND SPACED EQUALLY APART THEREFROM IN A PLANE SUBSTANTIALLY NORMAL THERETO, AND MEANS COUPLED TO THE ELECTRODES FOR PROVIDING A SUBSTANTIALLY SIMULTANEOUS DISCHARGE FROM EACH OF THE ELECTRODES TO THE COMMON ELECTRODE AND WITH EACH DISCHARGE HAVING A TIME DURATION OF THE ORDER OF A FEW MICROSECONDS.
Claim 2
Dependent Claim
86 words
A HIGH INTENSITY THERMAL LIGHT SOURCE INCLUDING THE COMBINATION OF A CHAMBER CONTAINING A GAS UNDER A PRESSURE IN EXCESS OF 50 ATMOSPHERES, A COMMON ELECTRODE WITHIN THE CHAMBER, A NUMBER OF ELECTRODES DISPOSED SYMMETRICALLY ABOUT THE COMMON ELECTRODE AND SPACED EQUALLY APART THEREFROM IN A PLANE SUBSTANTIALLY NORMAL THERETO, AND MEANS COUPLED TO THE ELECTRODES FOR PROVIDING A SUBSTANTIALLY SIMULTANEOUS DISCHARGE FROM EACH OF THE ELECTRODES TO THE COMMON ELECTRODE AND WITH EACH DISCHARGE HAVING A TIME DURATION OF THE ORDER OF A FEW MICROSECONDS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |