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Patent US3193422A successfully refreshed from Google Patents.
US3193422A
Expired / Lapsed
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Smoke agents
Assignee: Individual
•
Filing: 1962-02-19
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Granted: 1965-07-06
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Buck Hedwig
- 👤 Scheichl Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:11
CPC Classifications
C; C06; C06D; C06D3/00; C06B; C06B39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A SMOKE GENERATING COMPOSITION COMPRISING: (A) RED PHOSPHORUS; (B) AN OXIDIZING AGENT IN AN AMOUNT AT LEAST SUFFICIENT TO OXIDIZE SAID PHOSPHORUS; (C) AN AMMONIUM SALT VAPORIZABLE BY THE HEAT OF OXIDATION OF SAID PHOSPHORUS BY SAID OXIDIAING AGENT; AND (D) BETWEEN 4 AND 12 PERCENT BY WEIGHT OF A HYDROCARBON HAVING A BOILING POINT SUBSTANTIALLY BETWEEN 200*C. AND 380*C.
Claim 2
Dependent Claim
60 words
A SMOKE GENERATING COMPOSITION COMPRISING: (A) RED PHOSPHORUS; (B) AN OXIDIZING AGENT IN AN AMOUNT AT LEAST SUFFICIENT TO OXIDIZE SAID PHOSPHORUS; (C) AN AMMONIUM SALT VAPORIZABLE BY THE HEAT OF OXIDATION OF SAID PHOSPHORUS BY SAID OXIDIAING AGENT; AND (D) BETWEEN 4 AND 12 PERCENT BY WEIGHT OF A HYDROCARBON HAVING A BOILING POINT SUBSTANTIALLY BETWEEN 200*C. AND 380*C.
References Cited (Backward Citations)
US1750101A
Cited
US1785744A
Cited
US2389552A
Cited
US2658874A
Cited
US2633444A
Cited
US2995526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |