US3032449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated solid rocket propellants with improved ignition characteristics
Assignee: Phillips Petroleum Co
•
Filing: 1954-10-21
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Granted: 1962-05-01
•
Expires: 1974-10-21
Abstract
No abstract record available.
Inventors
- 👤 Homer M Fox
- 👤 Russell H Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:42
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A METHOD FOR IMPROVING THE IGNITION CHARACTERISTICS OF A DIFFICULTLY IGNITABLE SOLID PROPELLANT CHARGE WHICH COMPRISES COATING SAID CHARGE WITH AN ADMIXTURE COMPRISING ABOUT 15 TO 60 WEIGHT PERCENT OF RUBBER AND ABOUT 40 TO 85 WEIGHT PERCENT OF AMMONIUM PERRCHLORATE.
Claim 2
Independent Claim
41 words
A METHOD FOR IMPROVING THE IGNITION CHARACTERISTICS OF A DIFFICULTLY IGNITABLE SOLID PROPELLANT CHARGE WHICH COMPRISES COATING SAID CHARGE WITH AN ADMIXTURE COMPRISING ABOUT 15 TO 60 WEIGHT PERCENT OF RUBBER AND ABOUT 40 TO 85 WEIGHT PERCENT OF AMMONIUM PERRCHLORATE.
References Cited (Backward Citations)
US2402020A
Cited
GB655585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |