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US3090197A Expired / Lapsed US ⏱️ 0.0 years remaining

Inductive link infrared fire detection and water injection system

Assignee: Individual
•
Filing: 1961-08-08
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Granted: 1963-05-21
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Expires: 1981-08-08
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Abstract

No abstract record available.

Inventors

  • 👤 Roger H Lapp
  • 👤 Hogrefe Arthur Frederick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:09
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/009; F; F42; F42B; F42B39/00; F42B39/14; F42B39/16; G; G08; G08B; G08B17/00; G08B17/06

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 238 words
IN COMBINATION WITH A PLURALITY OF SOLID PROPELLANT ROCKET MOTORS MOVABLY STORED IN A MAGAZINE, EACH SAID ROCKET MOTOR HAVING AN EXHAUST NOZZLE; A FIRE EXTINGUISHING SYSTEM COMPRISING A FRANGIBLE CLOSURE IN EACH OF SAID EXHAUST NOZZLES, AN INFRARED DETECTOR MOUNTED ON THE SIDE OF EACH OF SAID CLOSURES FACING THE SOLID PROPELLANT, PRESSURIZED WATER SUPPLY MEANS, A PLURALITY OF WATER NOZZLES CONNECTED TO SAID WATER SUPPLY MEANS, EACH SAID WATER NOZZLE BEING CARRIED BY A FIXED SUPPORT ADJACENT THE MAGAZINE AND BEING DIRECTED TOWARD THE SOLID PROPELLANT OF EACH ROCKET MOTOR, VALVE MEANS ASSOCIATED WITH EACH OF SAID WATER NOZZLES FOR NORMALLY PREVENTING FLOW THERETHROUGH, VALVE RELEASE MEANS ASSOCIATED WITH EACH OF SAID VALVE MEANS AND RESPONSIVE TO AN ELECTRICAL IMPULSE, MEANS FOR SUPPLYING ELECTRICAL ENERGY TO EACH OF SAID INFRARED DTECTTORS, AND AN ELECTRICAL CIRCUIT CONNECTING EACH OF SAID INFRARED DETECTORS WITH ITS ASSOCIATED VALVE RELEASE MEANS, EACH SAID CIRCUIT INCLUDING A FIRST INDUCTIVE COIL MOUNTED WITHIN EACH OF SAID EXHAUST NEAR THE OUTER EXTREMITY THEREOF, AND A SECOND INDUCTIVE COIL CARRIED BY SAID FIXED SUPPORT AND SUBSTANTIALLY ALINGED WITH SAID FIRST INDUCTIVE COIL, WHEREBY, UPON COMBUSTION OF ONE OF SAID SOLID PROPELLANTS THE INFRARED DETECTOR WILL BE ENERGIZED TO CAUSE AN ELECTRIC IMPULSE TO BE SENT THROUGH SAID CIRCUIT, THEREBY ACTUATING THE VALVE RELEASE MEANS AND ALLOWING WATER UNDER PRESSURE TO FLOW THROUGH THE WATER NOZZLE TO REMOVE SAID FRANGIBLE CLOSURE AND EXTINGUISH THE COMBUSTION.

References Cited (Backward Citations)

US2389817A Cited
US2799136A Cited
US2949009A Cited
US2989124A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-20 1966-11-19 1967-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-20 1970-11-19 1971-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-20 1974-11-19 1975-05-21 $7700.00 Window Closed / Lapsed

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