Patent US3769107A successfully refreshed from Google Patents.
US3769107A
Expired / Lapsed
US
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Pyrotechnic composition for generating lead based smoke
Assignee: United States Department of the Navy
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Filing: 1968-10-28
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Granted: 1973-10-30
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Expires: 1988-10-28
Abstract
Abstract A pyrotechnic composition comprising lead iodate, alkali iodate, boron, and epoxy resin which upon combustion generates a lead based smoke which can be used for artificial weather modification.
Inventors
- 👤 D Johnson
- 👤 D Hazelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:06
CPC Classifications
C; C06; C06B; C06B33/00; C06D; C06D3/00; Y; Y10; Y10S; Y10S149/00; Y10S149/117
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
The composition of claim 1 to which gilsonite is added in a percent by weight ranging from 3 - 4, as needed for desired burning rate.
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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |