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US3308408A Expired / Lapsed US ⏱️ 0.0 years remaining

Encapsulated switch having structure for preventing unwanted thermoelectric transients

Assignee: JAMES ELECTRONICS Inc
•
Filing: 1965-10-11
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Granted: 1967-03-07
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Expires: 1985-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 Gerald W Plice

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:03
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/281

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 223 words
IN A MAGNETICALLY OPERATED SWITCH, PARTICULARLY ADAPTED TO MINIMIZE THE CREATION OF UNWANTED THERMOELECTRIC TRANSIENTS, A HOLLOW BOBBIN, AT LEAST ONE SEALED CAPSULE MOUNTED WITHIN SAID HOLLOW BOBBIN INCLUDING MEANS FOR SUPPORTING SAID SEALED CAPSULE THEREWITHIN, SAID SEALED CAPSULE HAVING SWITCH ELEMENTS THEREIN AT LEAST ONE OF WHICH IS MOVABLE IN RESPONSE TO A MAGNETIC FLUX, A COIL SUPPORTED BY SAID HOLLOW BOBBIN FOR PROVIDING MAGNETIC FLUX FOR OPERATION OF SAID ONE SWITCH ELEMENT, CONDUCTOR MEMBERS EXTENDING FROM SAID SEALED CAPSULE AND ELECTRICALLY CONNECTED TO THE SWITCH ELEMENTS THEREIN, CONTACT MEMBERS INCLUDING MEANS FOR SUPPORTING THE SAME, A CONDUCTOR CONNECTING SAID CONDUCTOR MEMBER AND SAID CONTACT MEMBER, AT LEAST ONE OF SUCH CONNECTIONS BEING AT A JUNCTURE OF DISSIMILAR METALS GIVING RISE TO THE CREATION OF AN UNWANTED ELECTRICAL TRANSIENT UPON HEATING OF SAID JUNCTURE, SAID CONDUCTOR BEING OF SMALL CROSS SECTION AS COMPARED TO THE CROSS SECTION OF SAID CONDUCTOR MEMBER AND SAID CONTACT MEMBER AND SUBSTANTIALLY INCAPABLE OF TRANSFERRING HEAT FROM SAID CONTACT MEMBER TO SAID CONDUCTOR MEMBER, AND A FLUID DIELECTRIC TOTALLY IMMERSING ALL OF SAID CONDUCTOR MEMBERS, CONDUCTORS OF SMALL CROSS SECTION AND CONTACT MEMBERS FOR INSURING SUBSTANTIALLY MINIMAL TEMPERATURE GRADIENT BETWEEN THE CONDUCTORS OF SMALL CROSS SECTION AND THE CONDUCTOR MEMBER AND CONTACT MEMBER CONNECTED THERETO WHEREBY ANY ELECTRICAL TRANSIENTS CREATED AT SAID JUNCTURES WILL BE EFFECTIVELY CANCELLED.
Claim 2
Dependent Claim 223 words
IN A MAGNETICALLY OPERATED SWITCH, PARTICULARLY ADAPTED TO MINIMIZE THE CREATION OF UNWANTED THERMOELECTRIC TRANSIENTS, A HOLLOW BOBBIN, AT LEAST ONE SEALED CAPSULE MOUNTED WITHIN SAID HOLLOW BOBBIN INCLUDING MEANS FOR SUPPORTING SAID SEALED CAPSULE THEREWITHIN, SAID SEALED CAPSULE HAVING SWITCH ELEMENTS THEREIN AT LEAST ONE OF WHICH IS MOVABLE IN RESPONSE TO A MAGNETIC FLUX, A COIL SUPPORTED BY SAID HOLLOW BOBBIN FOR PROVIDING MAGNETIC FLUX FOR OPERATION OF SAID ONE SWITCH ELEMENT, CONDUCTOR MEMBERS EXTENDING FROM SAID SEALED CAPSULE AND ELECTRICALLY CONNECTED TO THE SWITCH ELEMENTS THEREIN, CONTACT MEMBERS INCLUDING MEANS FOR SUPPORTING THE SAME, A CONDUCTOR CONNECTING SAID CONDUCTOR MEMBER AND SAID CONTACT MEMBER, AT LEAST ONE OF SUCH CONNECTIONS BEING AT A JUNCTURE OF DISSIMILAR METALS GIVING RISE TO THE CREATION OF AN UNWANTED ELECTRICAL TRANSIENT UPON HEATING OF SAID JUNCTURE, SAID CONDUCTOR BEING OF SMALL CROSS SECTION AS COMPARED TO THE CROSS SECTION OF SAID CONDUCTOR MEMBER AND SAID CONTACT MEMBER AND SUBSTANTIALLY INCAPABLE OF TRANSFERRING HEAT FROM SAID CONTACT MEMBER TO SAID CONDUCTOR MEMBER, AND A FLUID DIELECTRIC TOTALLY IMMERSING ALL OF SAID CONDUCTOR MEMBERS, CONDUCTORS OF SMALL CROSS SECTION AND CONTACT MEMBERS FOR INSURING SUBSTANTIALLY MINIMAL TEMPERATURE GRADIENT BETWEEN THE CONDUCTORS OF SMALL CROSS SECTION AND THE CONDUCTOR MEMBER AND CONTACT MEMBER CONNECTED THERETO WHEREBY ANY ELECTRICAL TRANSIENTS CREATED AT SAID JUNCTURES WILL BE EFFECTIVELY CANCELLED.

References Cited (Backward Citations)

US2643282A Cited
US2889424A Cited
US3171918A Cited
US3201540A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-06 1970-09-05 1971-03-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-06 1974-09-05 1975-03-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-06 1978-09-05 1979-03-07 $7700.00 Window Closed / Lapsed

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