US3260631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane propellants containing inorganic oxidizers with organo-silicon coating
Assignee: Aerojet Rocketdyne Inc
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Filing: 1962-12-17
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Granted: 1966-07-12
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Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Witz Samuel
- 👤 Mishuck Eli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:21
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3203; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/18; C06B45/30; C06B45/32; C08G18/38; C08G18/3819; C08G18/384; C08G18/65; C08G18/66; C08G18/6666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A SOLID PROPELLANT COMPOSITION WHICH COMPRISES A CURED INITIMATE MIXTURE OF A NONMETALLIC OXIDIZING SALT HAVING A SURFACE COATING ADHERENT THERETO, SAID SURFACE COATING HAVNG BEEN OBTAINED BY TREATMENT OF SAID OXIDIZING SALT WITH AN ORGANO-SILICON MATERIAL SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
48 words
A SOLID PROPELLANT COMPOSITION WHICH COMPRISES A CURED INITIMATE MIXTURE OF A NONMETALLIC OXIDIZING SALT HAVING A SURFACE COATING ADHERENT THERETO, SAID SURFACE COATING HAVNG BEEN OBTAINED BY TREATMENT OF SAID OXIDIZING SALT WITH AN ORGANO-SILICON MATERIAL SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE GENERAL FORMULA
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |