US3587466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay charge with a fuse of weakened explosive power
Assignee: Dynamit Nobel AG
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Filing: 1968-08-02
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Granted: 1971-06-28
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Expires: 1988-08-02
Abstract
Abstract A RELAY CHARGE FOR USE WITH FUSES IN THE INITIATION OF INSENSITIVE EXPLOSIVES WHICH COMPRISES TWO PARTS PREFERABLY DETACHABLY CONNECTED WITH EACH OTHER, ONE OF THE TWO PARTS CONTAINS SECNDARY EXPLOSIVES WITHIN A STRUCTURALLY RIGID CASE, OPEN AT ONE END WHILE THE OTHER PART FORMS A DELAY ELEMENT WHICH IS CONNECTED WITH THE OPEN END OF THE CASE AND SERVES FOR THE ACCOMMODATION OF THE FUSE AND OF THE DELAY CHARGE. THE DELAY ELEMENT INCLUDES A SHOCK-SENSITIVE PRIMER COMPOSITION, A DELAY CHARGE AND A BASE CHARGE, APPROPRIATELY ENCAPSULED WITHIN A CASING.
Inventors
- 👤 Josef Prior
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:35
CPC Classifications
F; F42; F42D; F42D1/00; F42D1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |