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US3281560A Expired / Lapsed US ⏱️ 0.0 years remaining

Explosion-proof connectors for explosive-gas environments

Assignee: BRAND-REX WILLIMATIC CT
•
Filing: 1963-07-16
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Granted: 1966-10-25
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Expires: 1983-07-16
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph A Nava

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:53
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/46; H01R13/53; H01R13/52; H01R13/527

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 192 words
THE NEW USE OF SUBLIMABLE ENERGY SINK MADE OF SYNTHETIC RESINOUS MATERIAL SURROUNDING AND CONFINING THE POINT OF SEPARATION OF A CURRENT CONTINUING MEANS IN AN EXPLOSION PROOF ELECTRICAL CONNECTOR HAVING SEPARABLE PIN AND SOCKET CONTACTS FROMING A CONFINED CHAMBER FOR ANY ARC DRAWN THEREBETWEEN, WHICH COMPRISES, OPERATING THE CONNECTOR IN A HAZARDOUS HYDROGEN ATMOSPHERE SUCH THAT EXPLOSIVE GAS IS PRESENT IN SAID CONFINED CHAMBER, IGNITING THE ATMOSPHERE INSIDE OF SAID CONFINED CHAMBER WITH AN ARC DRAWN UPON SEPARATION OR ENGAGEMENT OF THE CONTACTS, UTILIZING THE FLAMING HYDROGEN TO SET OFF THE ENERGY SINK, THEREBY (1) CONTAMINATING THE ATMOSPHERE IN THE CONNECTOR WITH EFFLUENT GENERATED BY THE SUBLIMATION OF THE SYNTHETIC RESINOUS MATERIAL OF THE ENERGY SINK TO RENDER THE ATMOSPHER INSIDE OF SAID CONNECTOR LESS HAZARDOUS AND (2) COOLING THE FLAMING HYDROGEN BY TRANSFER OF THERMAL ENERGY FROM THE FLAMMING HYDROGEN TO THE ENERGY SINK, AND CONFINING THE INITIAL FLAMING OF THE HYDROGEN INWARDLY OF THE ENERGY SINK INSIDE OF SAID CONFINED CHAMBER TO INSURE CHEMICAL AND STRUCTURAL TRANSFORMATION OF SAID SYNTHETIC RESINOUS MATERIAL SUFFICIENT TO CONTAMINATE THE ATMOSPHERE INSIDE OF SAID CONNECTOR WITH SAID EFFLUENT FOR THE PURPOSES SET FORTH.
Claim 2
Dependent Claim 192 words
THE NEW USE OF SUBLIMABLE ENERGY SINK MADE OF SYNTHETIC RESINOUS MATERIAL SURROUNDING AND CONFINING THE POINT OF SEPARATION OF A CURRENT CONTINUING MEANS IN AN EXPLOSION PROOF ELECTRICAL CONNECTOR HAVING SEPARABLE PIN AND SOCKET CONTACTS FROMING A CONFINED CHAMBER FOR ANY ARC DRAWN THEREBETWEEN, WHICH COMPRISES, OPERATING THE CONNECTOR IN A HAZARDOUS HYDROGEN ATMOSPHERE SUCH THAT EXPLOSIVE GAS IS PRESENT IN SAID CONFINED CHAMBER, IGNITING THE ATMOSPHERE INSIDE OF SAID CONFINED CHAMBER WITH AN ARC DRAWN UPON SEPARATION OR ENGAGEMENT OF THE CONTACTS, UTILIZING THE FLAMING HYDROGEN TO SET OFF THE ENERGY SINK, THEREBY (1) CONTAMINATING THE ATMOSPHERE IN THE CONNECTOR WITH EFFLUENT GENERATED BY THE SUBLIMATION OF THE SYNTHETIC RESINOUS MATERIAL OF THE ENERGY SINK TO RENDER THE ATMOSPHER INSIDE OF SAID CONNECTOR LESS HAZARDOUS AND (2) COOLING THE FLAMING HYDROGEN BY TRANSFER OF THERMAL ENERGY FROM THE FLAMMING HYDROGEN TO THE ENERGY SINK, AND CONFINING THE INITIAL FLAMING OF THE HYDROGEN INWARDLY OF THE ENERGY SINK INSIDE OF SAID CONFINED CHAMBER TO INSURE CHEMICAL AND STRUCTURAL TRANSFORMATION OF SAID SYNTHETIC RESINOUS MATERIAL SUFFICIENT TO CONTAMINATE THE ATMOSPHERE INSIDE OF SAID CONNECTOR WITH SAID EFFLUENT FOR THE PURPOSES SET FORTH.

References Cited (Backward Citations)

DE213611C Cited
US2223975A Cited
US2407937A Cited
US2626974A Cited
US2894918A Cited
US3002072A Cited
US3065439A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-24 1970-04-25 1970-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-24 1974-04-25 1974-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-24 1978-04-25 1978-10-25 $7700.00 Window Closed / Lapsed

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