US3625155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for producing white smoke by imploding red phosphorus
Assignee: United States Department of the Navy
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Filing: 1970-01-08
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Granted: 1971-12-07
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Expires: 1990-01-08
Abstract
Abstract A device for producing white smoke having an inner core of red phosphorus surrounded by a flexible sheet of explosive material and having means for detonating said explosive material whereby red phosphorus is imploded to produce white smoke.
Inventors
- 👤 Bernard E Douda
- 👤 Roscoe D Dwiggins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:32
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/46; F42B12/48
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
76 words
A white smoke producing device comprising, a cylindrical housing, an inner core consisting entirely of red phosphorus within said housing, a layer of flexible plastic-bonded high explosive positioned between said inner core of red phosphorus and the inside wall surface of said cylindrical housing and surrounding said inner core of red phosphorus, and means for detonating said layer of flexible plastic-bonded high explosive whereby said inner core of red phosphorus is imploded to produce white smoke.
Claim 2
Dependent Claim
76 words
A white smoke producing device comprising, a cylindrical housing, an inner core consisting entirely of red phosphorus within said housing, a layer of flexible plastic-bonded high explosive positioned between said inner core of red phosphorus and the inside wall surface of said cylindrical housing and surrounding said inner core of red phosphorus, and means for detonating said layer of flexible plastic-bonded high explosive whereby said inner core of red phosphorus is imploded to produce white smoke.
Claim 3
Dependent Claim
19 words
A white smoke producing device as set forth in claim 1 wherein said red phosphorus is in granular form.
Claim 4
Dependent Claim
19 words
A white smoke producing device as set forth in claim 1 wherein said red phosphorus is in pellet form.
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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |