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US3182145A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric switch

Assignee: McGraw Edison Co
•
Filing: 1961-06-16
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Granted: 1965-05-04
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Expires: 1981-06-16
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Abstract

No abstract record available.

Inventors

  • 👤 Edmond B Gorman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:01
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/36; H01H1/42; H01H31/00; H01H31/26; H01H31/28; H01H2031/286

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 83 words
A FIXED CONTACT MEMBER FOR A BLADE-TYPE DISCONNECT SWITCH INCLUDING A BASE, A RESILIENT CONTACT ELEMENT HAVING A BLADE RECEIVING POCKET, AN ARCING HORN, MEANS FOR INSULATING SAID ARCING HORN FROM SAID BASE, AND MEANS FOR CONNECTING SAID ARCING HORN ELECTRICALLY TO THE BIGHT PORTION OF THE POCKET OF SAID CONTACT ELEMENT, THE IMPEDANCE OF THE CURRENT PATH THROUGH SAID ARCING HORN TO SAID BASE THEREBY BEING GREATER THAN THE IMPEDANCE OF THE CURRENT PATH FROM SAID BLADE RECEIVING POCKET TO SAID BASE.
Claim 2
Dependent Claim 83 words
A FIXED CONTACT MEMBER FOR A BLADE-TYPE DISCONNECT SWITCH INCLUDING A BASE, A RESILIENT CONTACT ELEMENT HAVING A BLADE RECEIVING POCKET, AN ARCING HORN, MEANS FOR INSULATING SAID ARCING HORN FROM SAID BASE, AND MEANS FOR CONNECTING SAID ARCING HORN ELECTRICALLY TO THE BIGHT PORTION OF THE POCKET OF SAID CONTACT ELEMENT, THE IMPEDANCE OF THE CURRENT PATH THROUGH SAID ARCING HORN TO SAID BASE THEREBY BEING GREATER THAN THE IMPEDANCE OF THE CURRENT PATH FROM SAID BLADE RECEIVING POCKET TO SAID BASE.

References Cited (Backward Citations)

US2894101A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-05-03 1968-11-02 1969-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-05-03 1972-11-02 1973-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-05-03 1976-11-02 1977-05-04 $7700.00 Window Closed / Lapsed

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