US3761329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color flare including polyvinyl chloride color intensifier
Assignee: Ensign Bickford Co
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Filing: 1971-09-23
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Granted: 1973-09-25
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Expires: 1991-09-23
Abstract
Abstract A PYROTECHNIC COLOR FLARE COMPOSITION CONSISTING ESSENTIALLY OF A COLOR PRODUCING SALT, POWDERED METAL FUEL AND A PERCHLORATE OXIDIZER UTILIZES A SUBSTANTIAL AMOUNT OF A PLASTICIZED POLYMERIC COLOR INTENSIFIER CAPABLE OF RENDERING THE COMPOSITION FORMABLE BY MOLDING, CASTING, EXTRUDING AND THE LIKE. THE COLOR INTENSIFIER CONSTITUTES ABOUT 20-50% BY WEIGHT OF THE PYROTECHNIC CHARGE AND CONSISTS OF SUBSTANTIAL EQUAL PROPORTIONS OF POLYVINYL CHLORIDE RESIN AND A PLASTICIZER. THE RESULTANT COLOR FLARE CHARGE EXHIBITS SUBSTANTIAL COHESIVE STRENGTH, TOUGHNESS AND FLEXIBILITY AS WELL AS IMPROVED COLOR-INTENSITY AND PURITY.
Inventors
- 👤 H Zilcosky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:15
CPC Classifications
C; C06; C06C; C06C15/00; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; F; F42; F42B; F42B4/00; F42B4/26; F42B4/30; Y; Y10; Y10S; Y10S149/00; Y10S149/116
Claims Analysis
Total Claims: 0
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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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |