US3275484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussion sensitive pyrotechnic or pyrophoric alloy-type priming mixture
Assignee: Remington Arms Co LLC
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Filing: 1964-06-01
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Granted: 1966-09-27
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Donald S Foote
- 👤 Richard A Sahlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:34
CPC Classifications
C; C06; C06C; C06C15/00; C06B; C06B33/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
66 words
A PERCUSSION SENSITIVE AMMUNITION PRIMING MIXTURE WHICH COMPRISES AS ITS ESSENTIAL INGREDIENTS IN AN INITIMATE MECHANICAL MIXTURE FROM ABOUT 25% TO ABOUT 60% OF AN ACTIVE PYROPHORIC ALLOY AND FROM ABOUT 40% TO ABOUT 70% OF AN ACTIVE INORGANIC OXIDIZING AGENT SELECTED FROM THE GROUP OF ACTIVE INORGANIC OXIDIZING AGENTS CONSISTING OF BARIUM NITRATE, LEAD DIOXIDE, POTASSIU PERCHLORATE, RED LEAD OXIDE, POTASSIUM CHLORATE AND LEAD NITRATE.
Claim 2
Dependent Claim
66 words
A PERCUSSION SENSITIVE AMMUNITION PRIMING MIXTURE WHICH COMPRISES AS ITS ESSENTIAL INGREDIENTS IN AN INITIMATE MECHANICAL MIXTURE FROM ABOUT 25% TO ABOUT 60% OF AN ACTIVE PYROPHORIC ALLOY AND FROM ABOUT 40% TO ABOUT 70% OF AN ACTIVE INORGANIC OXIDIZING AGENT SELECTED FROM THE GROUP OF ACTIVE INORGANIC OXIDIZING AGENTS CONSISTING OF BARIUM NITRATE, LEAD DIOXIDE, POTASSIU PERCHLORATE, RED LEAD OXIDE, POTASSIUM CHLORATE AND LEAD NITRATE.
Claim 3
Dependent Claim
49 words
A PERCUSSION SENSITIVE AMMUNITION PRIMING COMPOSITION AS DEFINED IN CLAIM 1 IN WHICH SUBSTANTIALLY 31% OF A POWDERED PYROPHORIC ALLOY OF MISCH METAL AND MAGNESIUM IS IN ADMIXTURE WITH SUBSTANTIALLY 45% OF POWDERED BARIUM NITRATE, SUBSTANTIALLY 20% OF POWDERED LEAD DIOXIDE, AND SUBSTANTIALLY 4% OF A SENSITIVITY MODIFYING AGENT.
References Cited (Backward Citations)
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US2421029A
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US2560452A
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US2942546A
Cited
US2988876A
Cited
US3090310A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |