Rocket motor
Abstract
Abstract 1. A GAS-GENERATING DEVICE HAVING IN COMBINATION: (A) A SUBSTANTIALLY TUBULAR CASING HAVING A FORE SECTION AND AN AFT SECTION TELESCOPED TOGETHER, (B) MEANS BONDING SAID TELESCOPED SECTIONS, (C) A COMPOSITE INTERNAL-BURNING SOLID PROPELLANT CHARGE WITHIN THE CASING, (D) SAID CHARGE COMPRISING GENERALLY CYLINDRICAL FORE AND AFT ABUTTING CHARGE SECTIONS, (E) MEANS FOR BONDING SAID CHARGE SECTIONS, EACH SAID SECTION OF WHICH CONSISTS ESSENTIALLY OF A PLURALITY OF COAXIAL LAYERS OF PROPELLANT HAVING DECREASED BURNING RATES IN RADIAL PROGRESSION, AND (F) SAID COAXIAL LAYERS OF SAID FORE CHARGE SECTION HAVING THE OUTERMOST LAYER OF PROPELLANT EXTENDING SUBSTANTIALLY TRAVERSELY ACROSS A FORWARD END OF THE SAID FORE CHARGE SECTION.
Inventors
- 👤 John A Leasure Jr
- 👤 John H Main
- 👤 Richard Winer
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |