US3464869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrotechnic compositions containing metal fuel,inorganic oxidizer salt,and a vinyl polymer in a solvent
Assignee: Wyeth Holdings LLC
•
Filing: 1967-12-13
•
Granted: 1969-09-02
•
Expires: 1987-12-13
Abstract
No abstract record available.
Inventors
- 👤 Vernon Paul Wystrach
- 👤 Richard Vincent O'lenick
- 👤 Michael Albert Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:04
CPC Classifications
C; C06; C06B; C06B33/00; C06B33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2530491A
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US2530493A
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US3198678A
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US3140207A
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US3162558A
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US3275484A
Cited
US3261731A
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US3258373A
Cited
US3262824A
Cited
US3370537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |