US3106892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Initiator
Assignee: EIDP Inc
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Filing: 1961-12-27
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Granted: 1963-10-15
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Miller Ross Jay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:06
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/16; C; C06; C06C; C06C5/00; C06C5/06; F42D; F42D1/00; F42D1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A NON-ELECTRIC DELAY INITIATOR FOR ACTUATING EXPLOSIVE BLASTING COMPOSITIONS CONSISTING ESSENTIALLY OF: (A) A TUBULAR SHELL INTEGRALLY CLOSED AT ONE END, SAID SHELL HOUSING, IN SEQUENCE FROM SAID CLOSED END, (B) A BASE CHARGE OF A DETONATING EXPLOSIVE COMPOSITION, (C) A PRIMING CHARGE OF A HEAT-SENSITIVE DETONATING COMPOSITION, (D) A CHARGE OF AND EXOTHERMIC BURNING COMPOSITION, (E) A TUBULAR SPACING MEMBER ONE EXTREMITY OF SAID SPACING MEMBER BEING POSITIONED CONTIGIOUS TO SAID EXOTHERMIC BURNING COMPOSITION, AND THE OTHER EXTREMITY FORMING AN ANVIL HEAD, (F) A PRECUSSION-SENSITIVE IGNITION COMPOSITION CONTIGUOUS TO THE ANVIL HEAD, (G) A CYLINDERICAL CAPSULE OPEN AT ONE END, SAID CAPSULE HOUSING SAID SPACING MEMBER AND SAID PRECUSSIONSENSITIVE COMPOSITION AND SAID CAPSULE BEING POSITIONED IN SAID SHELL WITH SAID OPEN END ABUTTING SAID EXOTHERMIC COMPOSITION AND SAID CLOSED END CONTIGUOUS TO SAID PRECUSSION-SENSITIVE IGNITION CHARGE, (H) A BOOSTER CHARGE OF A DETONATING COMPOSITION ABUTTING THE CLOSED END OF SAID CAPSULE, AND (I) LOW-ENERGY CONNECTING CORD EXTENDING INTO THE SHELL WITH THE END THEREOF ADJACENT TO AND FACING SAID BOOSTER CHARGE.
Claim 2
Dependent Claim
172 words
A NON-ELECTRIC DELAY INITIATOR FOR ACTUATING EXPLOSIVE BLASTING COMPOSITIONS CONSISTING ESSENTIALLY OF: (A) A TUBULAR SHELL INTEGRALLY CLOSED AT ONE END, SAID SHELL HOUSING, IN SEQUENCE FROM SAID CLOSED END, (B) A BASE CHARGE OF A DETONATING EXPLOSIVE COMPOSITION, (C) A PRIMING CHARGE OF A HEAT-SENSITIVE DETONATING COMPOSITION, (D) A CHARGE OF AND EXOTHERMIC BURNING COMPOSITION, (E) A TUBULAR SPACING MEMBER ONE EXTREMITY OF SAID SPACING MEMBER BEING POSITIONED CONTIGIOUS TO SAID EXOTHERMIC BURNING COMPOSITION, AND THE OTHER EXTREMITY FORMING AN ANVIL HEAD, (F) A PRECUSSION-SENSITIVE IGNITION COMPOSITION CONTIGUOUS TO THE ANVIL HEAD, (G) A CYLINDERICAL CAPSULE OPEN AT ONE END, SAID CAPSULE HOUSING SAID SPACING MEMBER AND SAID PRECUSSIONSENSITIVE COMPOSITION AND SAID CAPSULE BEING POSITIONED IN SAID SHELL WITH SAID OPEN END ABUTTING SAID EXOTHERMIC COMPOSITION AND SAID CLOSED END CONTIGUOUS TO SAID PRECUSSION-SENSITIVE IGNITION CHARGE, (H) A BOOSTER CHARGE OF A DETONATING COMPOSITION ABUTTING THE CLOSED END OF SAID CAPSULE, AND (I) LOW-ENERGY CONNECTING CORD EXTENDING INTO THE SHELL WITH THE END THEREOF ADJACENT TO AND FACING SAID BOOSTER CHARGE.
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |