US3320104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making lead styphnate primer compositions
Assignee: Dynamit Nobel AG
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Filing: 1965-02-26
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Granted: 1967-05-16
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Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 Stadler Hans
- 👤 Gawlick Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:00
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0083; F; F42; F42C; F42C19/00; F42C19/08; F42C19/0803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD FOR MAKING A CONDUCTIVE PRIMER COMPOSITION ADAPTED TO BE DETONATED OR IGNITED BY MEANS OF AN ELECTRIC CURRENT WHICH COMPRISES MIXING A CONDUCTIVE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF METALLIC POWDERS, CONDUCTIVE METALLIC OXIDES AND GRAPHITE WITH AN INORGANIC CARRIER MATERIAL INSENSITIVE TO MECHANICAL STRESSES AND ADDING THE RESULTANT MIXTURE BY GENTLE MIXING TO A MAJOR AMOUNT OF A LEAD STYPHNATE PRIMER MATERIAL, SAID PRIMER MATERIAL BEING SENSITIVE TO MECHANICAL STRESSES, TO FORM SAID PRIMER COMPOSITION.
Claim 2
Independent Claim
79 words
A METHOD FOR MAKING A CONDUCTIVE PRIMER COMPOSITION ADAPTED TO BE DETONATED OR IGNITED BY MEANS OF AN ELECTRIC CURRENT WHICH COMPRISES MIXING A CONDUCTIVE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF METALLIC POWDERS, CONDUCTIVE METALLIC OXIDES AND GRAPHITE WITH AN INORGANIC CARRIER MATERIAL INSENSITIVE TO MECHANICAL STRESSES AND ADDING THE RESULTANT MIXTURE BY GENTLE MIXING TO A MAJOR AMOUNT OF A LEAD STYPHNATE PRIMER MATERIAL, SAID PRIMER MATERIAL BEING SENSITIVE TO MECHANICAL STRESSES, TO FORM SAID PRIMER COMPOSITION.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |