US3292537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-signal explosive detonator
Assignee: Individual
•
Filing: 1965-06-15
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Granted: 1966-12-20
•
Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank A Goss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:49
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A MULTI-SIGNAL EXPLOSIVE DETONATOR COMPRISING AN INITIATOR INCLUDING A PLURALITY OF INTERCONNECTED PORTIONS OF SEMICONDUCTING MATERIAL INCORPORATING N-TYPE AND P-TYPE IMPURITIES IN ADJACENT PORTIONS TO DEFINE PN JUNCTIONS THEREBETWEEN, AN ELECTRODE ELECTRICALLY COUPLED TO ONE OF SAID PORTIONS, OTHER ELECTRODES ELECTRICALLY COUPLED TO OTHER SAID PORTIONS SPACED APART FROM EACH OTHER BY AT LEAST SAID ONE PORTION FOR PROVIDING CURRENT FLOW IN SAID SEMICONDUCTING MATERIAL TO HEAT THE LATTER IN RESPONSE TO AN ELECTRICAL SIGNAL THROUGH AT LEAST ONE OF SAID OTHER ELECTRODES AND ONLY DURING THE APPLICATION OF ANOTHER COEXISTING ELECTRICAL SIGNAL THROUGH THE FIRST MENTIONED ELECTRODE, AND AN EXPLOSIVE CHARGE DISPOSED IN AN ABUTTING RELATIONSHIP WITH AT LEAST ONE OF SAID PORTIONS.
Claim 2
Dependent Claim
114 words
A MULTI-SIGNAL EXPLOSIVE DETONATOR COMPRISING AN INITIATOR INCLUDING A PLURALITY OF INTERCONNECTED PORTIONS OF SEMICONDUCTING MATERIAL INCORPORATING N-TYPE AND P-TYPE IMPURITIES IN ADJACENT PORTIONS TO DEFINE PN JUNCTIONS THEREBETWEEN, AN ELECTRODE ELECTRICALLY COUPLED TO ONE OF SAID PORTIONS, OTHER ELECTRODES ELECTRICALLY COUPLED TO OTHER SAID PORTIONS SPACED APART FROM EACH OTHER BY AT LEAST SAID ONE PORTION FOR PROVIDING CURRENT FLOW IN SAID SEMICONDUCTING MATERIAL TO HEAT THE LATTER IN RESPONSE TO AN ELECTRICAL SIGNAL THROUGH AT LEAST ONE OF SAID OTHER ELECTRODES AND ONLY DURING THE APPLICATION OF ANOTHER COEXISTING ELECTRICAL SIGNAL THROUGH THE FIRST MENTIONED ELECTRODE, AND AN EXPLOSIVE CHARGE DISPOSED IN AN ABUTTING RELATIONSHIP WITH AT LEAST ONE OF SAID PORTIONS.
References Cited (Backward Citations)
US3211096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |