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US3205818A Expired / Lapsed US ⏱️ 0.0 years remaining

Connector for explosive cords

Assignee: EIDP Inc
•
Filing: 1963-08-02
•
Granted: 1965-09-14
•
Expires: 1983-08-02
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Abstract

No abstract record available.

Inventors

  • 👤 John R Coulson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:11
CPC Classifications
F; F42; F42D; F42D1/00; F42D1/04; F42D1/043

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 256 words
IN COMBINATION, A CONNECTOR COMPRISING AN ELECTRICALLY-NONCONDUCTIVE TUBE CLOSED AT ONE END AND HAVING A SUBSTANTIALLY CYLINDRICAL BORE EXTENDING THROUGH ITS OTHER END AND RUNNING PART OF ITS LENGTH; A TRANSVERSE SLOT BETWEEN SAID CLOSED END AND THE INTERNAL END OF SAID BORE FOR ACCEPTING A LENGTH OF DETONATING FUSE, SAID SLOT EXTENDING THROUGH A SIDE OF THE TUBE IN A DIRECTION GENERALLY NORMAL TO THE BORE''S LONGITUDINAL AXIS AND TERMINATING IN A CHANNEL WHICH COMMUNICATES WITH SAID BORE AND INTERSECTS SAID AXIS AT SUBSTANTIALLY RIGHT ANGLES, THE WALLS OF SAID SLOT PROVIDING AT LEAST ONE RESILIENT PROJECTION INTERMEDIATE SAID CHANNEL AMD THE OUTSIDE SURFACE OF THE TUBE FOR POSITIONING AND FIRMLY ENGAGING SAID FUSE IN SAID CHANNEL AT SUBSTANTIALLY RIGHT ANGLES TO SAID AXIS; A SINGLE LENGTH OF LOW-ENERGY CONNECTING CORD EXTENDING INTO SAID BORE THROUGH ITS OPEN END; AND A BOOSTER CAPSULE SNUGLY SEATED IN SAID BORE AND HAVING AN INTEGRALLY CLOSED EXTREMITY ADJACENT TO THE SIDE OF SAID CHANNEL NEAREST THE BORE''S OPEN END, SAID CAPSULE CONTAINING A BOOSTER CHARGE AT ITS CLOSED EXTREMITY IN PROPAGATING RELATIONSHIP TO THE END OF SAID CORD IN THE BORE AND HAVING ITS OTHER EXTREMITY CRIMPED ON SAID CORD; THE OPEN END OF SAID BORE BEING PROVIDED WITH AT LEAST ONE INTEGRAL PROJECTING MEANS FOR PERMITTING FORCEFUL INSERTION OF SAID CRIMPED CAPSULE INTO THE BORE, SAID MEANS ABUTTING THE CRIMPED EXTREMITY OF THE INSERTED CAPSULE AND RESISTING ITS WITHDRAWAL FROMN THE BORE, AND SAID BOOSTER CHARGE WITHIN THE INSERTED CAPSULE BEING IN PROPAGATING RELATIONSHIP TO SAID CHANNEL.

References Cited (Backward Citations)

US1021934A Cited
US2715365A Cited
US2587694A Cited
GB741868A Cited
US2952206A Cited
US3020844A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-13 1969-03-15 1969-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-13 1973-03-15 1973-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-13 1977-03-15 1977-09-14 $7700.00 Window Closed / Lapsed

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