← Back to Patent Explorer
US3304457A Expired / Lapsed US ⏱️ 0.0 years remaining

High intensity light source

Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1961-09-21
•
Granted: 1967-02-14
•
Expires: 1981-09-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Frithjof N Mastrup

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 16:29
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)

US789449A Cited
US2241968A Cited
GB589240A Cited
US2459516A Cited
US2716198A Cited
US3064153A Cited
US2964678A Cited
US3141111A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag