Patent US3690972A successfully refreshed from Google Patents.
US3690972A
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Green flare composition
Assignee: United States Department of the Army
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Filing: 1971-07-16
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Granted: 1972-09-12
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Expires: 1991-07-16
Abstract
Abstract THE COMBINATION OF A FINELY DIVIDED NON-HALOGENATED ORGANIC FUEL SUCH AS AN ACETAL RESIN AND A CHLORINATED BARIUM COMPOUND AS AN OXIDIZING MATERIAL TO PRODUCE A PYROTECHNIC COMPOSTION EMITTING RADIATION IN THE GREEN SPECTRAL REGION WITH MINIMAL OVERTONES OF ECTRANEOUS COLORS, THUS ENABLING A POSITIVE COLOR IDENTIFICATION.
Inventors
- 👤 Seymour M Kaye
- 👤 Bossie Jackson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:51
CPC Classifications
C; C06; C06B; C06B29/00; C06B29/02; C06B29/08; C06C; C06C15/00; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/113; Y10S149/115; 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) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |