Patent DE72967C successfully refreshed from Google Patents.
Patent US3142253A successfully refreshed from Google Patents.
US3142253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition composition and electric squib containing it
Assignee: Olin Corp
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Filing: 1962-05-16
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Granted: 1964-07-28
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Expires: 1982-05-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Seavey
- 👤 Norman J Wilkaitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:26
CPC Classifications
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Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
AN ELECTRIC SQUIB DEVICE COMPRISED OF A CYLINDRICAL CASE HAVING A CROSS SCORED IN THE OUTER BASE OF SAID CASE, AN IGNITION COMPOSITION POSITIONED IN THE INNER BASE OF SAID CASE, AN IGNITOR PLUG COMPRISED OF TWO SPACED APART LEAD WIRES EMBEDDED IN A PLASTIC PLUG, A BRIDGE WIRE CONNECTING THE ENDS OF THE TWO LEAD WIRES, THE OPPOSITE ENDS OF THE LEAD WIRES BEING EMBEDDED IN A RUBBER PLUG, SAID IGNITOR PLUG POSITIONED IN SAID CASE ADJACENT TO SAID IGNITION COMPOSITION, SAID BRIDGE WIRE BEING EMBEDDED IN SAID IGNITION COMPOSITION AND SAID IGNITON COMPOSITION IS COMPRISED OF AN INTIMATE MIXTURE OF BETWEEN ABOUT 10 AND ABOUT 30 PERCENT BY WEIGHT OF BORON, BETWEEN ABOUT 80 AND ABOUT 40 PERCENT BY WEIGHT OF BARIUM CHROMATE, AND BETWEEN ABOUT 10 AND ABOUT 30 PERCENT BY WEIGHT OF POTASSIUM PERCHLORATE.
References Cited (Backward Citations)
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Cited
US2457860A
Cited
US2527858A
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US2695563A
Cited
GB862772A
Cited
US3028229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |