US3086895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid composite propellant containing acetylenic polyurethane and process of making
Assignee: ATK Launch Systems LLC
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Filing: 1958-11-05
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Granted: 1963-04-23
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Expires: 1978-11-05
Abstract
No abstract record available.
Inventors
- 👤 Paul F Schaeffer
- 👤 Donald D Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C08G18/40; C08G18/56; C08G18/6705
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
A SOLID PROPELLANT COMPOSITION CONSISTING ESSENTIALLY OF AN ACETYLENIC POLYURETHANE FUEL AND OF A SOLID INORGANIC OXIDIZING SALT IN SUCH PROPORTIONS THAT THE RATIO OF OXIDIZER TO FUEL IS BETWEEN ABOUT 1.9 AND ABOUT 5.0.
References Cited (Backward Citations)
US2622277A
Cited
US2855372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |