US3373062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulation of particulate metal hydride in solid propellants
Assignee: North American Aviation Corp
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Filing: 1964-07-14
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Granted: 1968-03-12
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Expires: 1984-07-14
Abstract
No abstract record available.
Inventors
- 👤 Quentin L Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/18; C06B45/30; C06B45/32; C06B21/00; C06B21/0083
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A SOLID PROPELLANT GRIAN COMPRISING: A BINDER, A FUEL, AND AN ENCAPSULATED REACTIVE OXIDIZER PREPARED BY DISSOLVING TWO PRE-POLYMERS CAPABLE OF COPOLYMERIZATION IN A SOLVENT THEREFOR, SUSPENDING THE REACTIVE MATERIAL IN THE RESULTANT POLYMER SOLUTION, ADDING A NONSOLVENT MATERIAL TO THE SOLUTION EFFECTING PHASE SEPARATION, HEATING FOR A SUFFICIENT PERIOD OF TIME TO CURE SAID POLY MERS IN A FILM ABOUT SAID REACTIVE MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |