US2939779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrotechnic compositions
Assignee: Olin Corp
•
Filing: 1958-04-09
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Granted: 1960-06-07
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Expires: 1978-04-09
Abstract
No abstract record available.
Inventors
- 👤 Jean A M Brock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:29
CPC Classifications
C; C06; C06D; C06D3/00; Y; Y10; Y10S; Y10S149/00; Y10S149/117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A WHITE SMOKE FORMULATION CONSISTING ESSENTIALLY OF BETWEEN ABOUT 30 PERCENT AND ABOUT 45 PERCENT BY WEIGHT OF HEXACHLORETHANE, BETWEEN ABOUT 30 PERCENT AND ABOUT 45 PERCENT BY WEIGHT OF ZINC OXIDE, BETWEEN ABOUT 14 PERCENT AND ABOUT 25 PERCENT BY WEIGHT OF AMMONIUM PERCHLORATE, AND BETWEEN ABOUT 2 PERCENT AND ABOUT 7.5 PERCENT BY WEIGHT OF A PLASTIC BINDER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE AND EPOXY RESINS.
Claim 2
Dependent Claim
71 words
A WHITE SMOKE FORMULATION CONSISTING ESSENTIALLY OF BETWEEN ABOUT 30 PERCENT AND ABOUT 45 PERCENT BY WEIGHT OF HEXACHLORETHANE, BETWEEN ABOUT 30 PERCENT AND ABOUT 45 PERCENT BY WEIGHT OF ZINC OXIDE, BETWEEN ABOUT 14 PERCENT AND ABOUT 25 PERCENT BY WEIGHT OF AMMONIUM PERCHLORATE, AND BETWEEN ABOUT 2 PERCENT AND ABOUT 7.5 PERCENT BY WEIGHT OF A PLASTIC BINDER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE AND EPOXY RESINS.
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) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |