Patent US3147710A successfully refreshed from Google Patents.
US3147710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition system for solid propellants
Assignee: Ethyl Corp
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Filing: 1961-02-27
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Granted: 1964-09-08
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Martin E Gluckstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:17
CPC Classifications
C; C06; C06C; C06C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
THE METHOD OF IGNITING A SOLID PROPELLANT SOLELY BY THE ENERGY LIBERATED BY ONE PRIOR CHEMICAL REACTION BETWEEN A STRONG REDUCING FLUID AND AN OXIDIZING MATERIAL, SAID STRONG REDUCING FLUID BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL DIBORINE, ALKYL BORINE AMINES, ALKYL TRIBORINE TRIAMINES, HYDRAZNE, AND THE ALKYL, ALKYL HALIDE AND ALKYL HYDRIDE COMPOUNDS OF ALUMINUM, BORON AND ZINC, AND SAID OXIDIZING MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF CHLORATES, PERCHLORATES, PERMANGANATES, ORGANIC AND INORGANIC NITRATES, CHROMATES, DICHROMATES, PERACIDS, ORGANIC OXIDIZING AGENTS AND MIXTURES THEREOF, SAID OXIDIZING MATERIAL BEING PRESENT AS A LAYER COATING THE SURFACE OF SOLID PROPELLANT, SAID COATING RANGING IN THICKNESS FRM 0.001 TO 0.1 INCH, SAID METHOD COMPRISING INTRODUCING SAID STRONG REDUCING FLUID INTO A COMBUSTION CHAMBER CONTAINING SAID COATED PROPELLANT SO THAT SAID STRONG REDUCING FLUID CONTACTS AND SPONTANEOUSLY REACTS WITH SAID OXIDIZING MATERIAL, THEREBY LIBERATING AND TRANSFERRING TO SAID SOLID PROPELLANT SUFFICIENT ENERGY TO CAUSE IT TO IGNITE, SAID STRONG REDUCING FLUID AND SAID OXIDIZING MATERIAL BEING THE ONLY CHEMICALS AVAILABLE FOR REACTION WITH EACH OTHER IN SAID COMBUSTION CHAMBER PRIOR TO IGNITION OF SAID SOLID PROPELLANT.
Claim 2
Independent Claim
185 words
THE METHOD OF IGNITING A SOLID PROPELLANT SOLELY BY THE ENERGY LIBERATED BY ONE PRIOR CHEMICAL REACTION BETWEEN A STRONG REDUCING FLUID AND AN OXIDIZING MATERIAL, SAID STRONG REDUCING FLUID BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL DIBORINE, ALKYL BORINE AMINES, ALKYL TRIBORINE TRIAMINES, HYDRAZNE, AND THE ALKYL, ALKYL HALIDE AND ALKYL HYDRIDE COMPOUNDS OF ALUMINUM, BORON AND ZINC, AND SAID OXIDIZING MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF CHLORATES, PERCHLORATES, PERMANGANATES, ORGANIC AND INORGANIC NITRATES, CHROMATES, DICHROMATES, PERACIDS, ORGANIC OXIDIZING AGENTS AND MIXTURES THEREOF, SAID OXIDIZING MATERIAL BEING PRESENT AS A LAYER COATING THE SURFACE OF SOLID PROPELLANT, SAID COATING RANGING IN THICKNESS FRM 0.001 TO 0.1 INCH, SAID METHOD COMPRISING INTRODUCING SAID STRONG REDUCING FLUID INTO A COMBUSTION CHAMBER CONTAINING SAID COATED PROPELLANT SO THAT SAID STRONG REDUCING FLUID CONTACTS AND SPONTANEOUSLY REACTS WITH SAID OXIDIZING MATERIAL, THEREBY LIBERATING AND TRANSFERRING TO SAID SOLID PROPELLANT SUFFICIENT ENERGY TO CAUSE IT TO IGNITE, SAID STRONG REDUCING FLUID AND SAID OXIDIZING MATERIAL BEING THE ONLY CHEMICALS AVAILABLE FOR REACTION WITH EACH OTHER IN SAID COMBUSTION CHAMBER PRIOR TO IGNITION OF SAID SOLID PROPELLANT.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |