Patent US3122097A successfully refreshed from Google Patents.
US3122097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-electric initiating assembly
Assignee: EIDP Inc
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Filing: 1961-10-10
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Granted: 1964-02-25
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Expires: 1981-10-10
Abstract
No abstract record available.
Inventors
- 👤 Miller Ross Jay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:37
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/06; F; F42; F42D; F42D1/00; F42D1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A NON-ELECTRIC DELAY INITIATOR COMPRISING A TUBULAR SHELL INTEGRALLY CLOSED AT ONE END, SAID SHELL HOUSING, IN SEQUENCE FROM SAID CLOSED END, A BASE CHARGE OF DETONATING EXPLOSIVE, A PRIMING CHARGE OF A HEAT-SENSITIVE DETONATING EXPLOSIVE AND A CHARGE OF EXOTHERMIC BURNING COMPOSITION; A TUBULAR SPACER CAPSULE POSITIONED WITHIN THE SHELL CONTIGUOUS TO SAID EXOTHERMIC BURNING COMPOSITION, SAID CAPSULE HAVING ONE CLOSED EXTREMITY WITH A CENTRAL APERTURE THERETHROUGH; AND A SECTION OF LOW ENERGY CONNECTING CORD EXTENDING INTO THE SHELL, THE LOWER PORTION OF SAID CORD BEING LOOPED AND POSITIONED ADJACENT TO SAID CAPSULE A DISTANCE OF NOT GREATER THAN ONE INCH FROM, AND IN IGNITING RELATIONSHIP TO, SAID EXOTHERMIC BURNING COMPOSITION; SAID INITIATOR BEING ADAPTED TO PROVIDE A DELAY PERIOD FROM 1 MILLISECOND TO 20 SECONDS.
Claim 2
Dependent Claim
127 words
A NON-ELECTRIC DELAY INITIATOR COMPRISING A TUBULAR SHELL INTEGRALLY CLOSED AT ONE END, SAID SHELL HOUSING, IN SEQUENCE FROM SAID CLOSED END, A BASE CHARGE OF DETONATING EXPLOSIVE, A PRIMING CHARGE OF A HEAT-SENSITIVE DETONATING EXPLOSIVE AND A CHARGE OF EXOTHERMIC BURNING COMPOSITION; A TUBULAR SPACER CAPSULE POSITIONED WITHIN THE SHELL CONTIGUOUS TO SAID EXOTHERMIC BURNING COMPOSITION, SAID CAPSULE HAVING ONE CLOSED EXTREMITY WITH A CENTRAL APERTURE THERETHROUGH; AND A SECTION OF LOW ENERGY CONNECTING CORD EXTENDING INTO THE SHELL, THE LOWER PORTION OF SAID CORD BEING LOOPED AND POSITIONED ADJACENT TO SAID CAPSULE A DISTANCE OF NOT GREATER THAN ONE INCH FROM, AND IN IGNITING RELATIONSHIP TO, SAID EXOTHERMIC BURNING COMPOSITION; SAID INITIATOR BEING ADAPTED TO PROVIDE A DELAY PERIOD FROM 1 MILLISECOND TO 20 SECONDS.
References Cited (Backward Citations)
DE15806C
Cited
US2360698A
Cited
US2402235A
Cited
US2400103A
Cited
US2558134A
Cited
US2619035A
Cited
GB815532A
Cited
US3021785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |