US3677840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrotechnics comprising oxide of silver for weather modification use
Assignee: ATK Launch Systems LLC
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Filing: 1969-09-18
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Granted: 1972-07-18
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Expires: 1989-09-18
Abstract
Abstract A PYROTECHNIC COMPOSITION WHICH UPON COMBUSTION PRODUCES MIXED SILVER HALIDE NUCLEU FOR USE IN INFLUENCING WEATHER COMPRISES A COMPOSTION MADE BY CURING A MIXTURE COMPRISING SILVER OXIDE, AN ALKALI IODATE, AN ALKALI PERCHLORATE AND A CURABLE OXYGENATED OR FLUORINATED ORGANIC LIQUID POLYMER BINDER. THE COMPOSITION BURNS SMOOTHLY TO PROVIDE BY METATHESIS A MIXTURE OF SILVER HALIDES AS SUBSTANTIALLY THE ONLY SOLID OR CONDENSED PHASE REACTION PRODUCTS, AND LEAVES SUBSTANTIALLLY NO RESIDUE. THE REACTION PRODUCTS FORM NUCLEI FOR CAUSING NUCLEATION OF WATER IN CLOUDS.
Inventors
- 👤 Graham C Shaw
- 👤 Russell Reed Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
C; C06; C06D; C06D3/00; Y; Y10; Y10S; Y10S149/00; Y10S149/117
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |