US3568448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition system for igniting a gas generator by the use of combustion gases from a solid propellant rocket motor having selective zoning capabilities
Assignee: ATK Launch Systems LLC
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Filing: 1969-04-01
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Granted: 1971-03-09
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Expires: 1989-04-01
Abstract
Abstract AN IGNITION SYSTEM POSITIONED BETWEEN THE COMBUSTION CHAMBER OF A GAS GENERATOR HAVING A SOLID PROPELLANT GRAIN THEREIN AND THE COMBUSTION CHAMBER OF A SOLID PROPELLANT ROCKET MOTOR HAVING SELECTIVE ZONING CAPABILITIES SO THAT WHEN THE IGNITION SYSTEM IS OPERATED THE COMBUSTION GASES FROM THE COMBUSTION CHAMBER OF THE SOLID PROPELLANT ROCKET MOTOR WILL ENTER THE COMBUSTION CHAMBER IN THE GAS GENERATOR AND IGNITE THE SOLID PROPELLANT GRAIN THEREIN.
Inventors
- 👤 Glenn E Webb Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:12
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/95; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1752
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |