Patent US3264989A successfully refreshed from Google Patents.
US3264989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition assembly resistant to actuation by radio frequency and electrostatic energies
Assignee: EIDP Inc
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Filing: 1964-03-06
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Granted: 1966-08-09
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Expires: 1984-03-06
Abstract
No abstract record available.
Inventors
- 👤 Klaus G Rucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:02
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/18; F42B3/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN AN ELECTRIC INITIATOR HAVING A METAL SHELL INTEGRALLY CLOSED AT ONE END AND OPEN AT THE OPPOSITE END AND CONTAINING AN IGNITION COMPOSITION, AN ELECTRICAL IGNITION ASSEMBLY COMPRISING, IN SEQUENCE FROM SAID IGNITION COMPOSITION: (A) A PAIR OF ELECTRICAL CONDUCTORS EXTENDING INTO SAID METAL SHELL AND JOINED AT THEIR TERMINALS BY A BRIDGEWIRE CONTACTING SAID IGNITION COMPOSITION, (B) A PLUG OF A MAGNETIC INDUCTANCE COMPOSITION SURROUNDING AND CONTIGUOUS TO SAID ELECTRICAL CONDUCTORS ADJACENT SAID IGNITION COMPOSITION, (C) A RESISTANCE SLUG HAVING AN ELECTRICAL RESISTANCE TWO TO SIX TIMES THAT OF SAID BRIDGEWIRE ADJACNET SAID
Claim 2
Dependent Claim
95 words
IN AN ELECTRIC INITIATOR HAVING A METAL SHELL INTEGRALLY CLOSED AT ONE END AND OPEN AT THE OPPOSITE END AND CONTAINING AN IGNITION COMPOSITION, AN ELECTRICAL IGNITION ASSEMBLY COMPRISING, IN SEQUENCE FROM SAID IGNITION COMPOSITION: (A) A PAIR OF ELECTRICAL CONDUCTORS EXTENDING INTO SAID METAL SHELL AND JOINED AT THEIR TERMINALS BY A BRIDGEWIRE CONTACTING SAID IGNITION COMPOSITION, (B) A PLUG OF A MAGNETIC INDUCTANCE COMPOSITION SURROUNDING AND CONTIGUOUS TO SAID ELECTRICAL CONDUCTORS ADJACENT SAID IGNITION COMPOSITION, (C) A RESISTANCE SLUG HAVING AN ELECTRICAL RESISTANCE TWO TO SIX TIMES THAT OF SAID BRIDGEWIRE ADJACNET SAID
References Cited (Backward Citations)
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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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |