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US3170048A Expired / Lapsed US ⏱️ 0.0 years remaining

Multicontact no load electric switch

Assignee: Allis Chalmers Corp
•
Filing: 1961-03-03
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Granted: 1965-02-16
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Expires: 1981-03-03
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Abstract

No abstract record available.

Inventors

  • 👤 Charles E Glatz
  • 👤 John M Anderson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:42
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/0005; H01H1/00; H01H1/12; H01H1/14; H01H1/16

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 127 words
A MULTICONTACT SWITCH COMPRISING: A STATIONARY INSULATING PLATE; A PLURALITY OF PARALLEL AND CIRCULAR ARRANGED CONTACT POSTS EXTENDING AXIALLY FROM SAID PLATE; AN ELECTRICAL INSULATING CONTACT HOUSING ROTATABLY MOUNTED ON SAID PLATE ON AN AXIS PARALLEL TO SAID PORTS AND CENTRALLY LOCATED WITHIN THE SPACE DEFINED BY SAID PORTS, AND HOUSING HAVING A PAIR OF DIAMETRICALLY DISPOSED ELECTRICAL INSULATING CONTACT HOLDERS; A PAIR OF DISK CONTACTS MOUNTED ON EACH OF SAID HOLDERS IN AXIALLY SPACED PLANES PERPENDICULAR TO SAID POSTS AND PARALLEL TO SAID PLATE AND INTERSECTING SAID POSTS, EACH SAID DISK HAVING A DISPLACEABLE AXIS OF ROTATION AND BEING OFFSET TO EACH BE IN A BRIDGING POSITION WITH A COMMON POST AND A DIFFERENT ONE OF THE TWO ADJACENT POSTS, SPRING MEANS FOR URGING SAID CONTACTS
Claim 2
Dependent Claim 127 words
A MULTICONTACT SWITCH COMPRISING: A STATIONARY INSULATING PLATE; A PLURALITY OF PARALLEL AND CIRCULAR ARRANGED CONTACT POSTS EXTENDING AXIALLY FROM SAID PLATE; AN ELECTRICAL INSULATING CONTACT HOUSING ROTATABLY MOUNTED ON SAID PLATE ON AN AXIS PARALLEL TO SAID PORTS AND CENTRALLY LOCATED WITHIN THE SPACE DEFINED BY SAID PORTS, AND HOUSING HAVING A PAIR OF DIAMETRICALLY DISPOSED ELECTRICAL INSULATING CONTACT HOLDERS; A PAIR OF DISK CONTACTS MOUNTED ON EACH OF SAID HOLDERS IN AXIALLY SPACED PLANES PERPENDICULAR TO SAID POSTS AND PARALLEL TO SAID PLATE AND INTERSECTING SAID POSTS, EACH SAID DISK HAVING A DISPLACEABLE AXIS OF ROTATION AND BEING OFFSET TO EACH BE IN A BRIDGING POSITION WITH A COMMON POST AND A DIFFERENT ONE OF THE TWO ADJACENT POSTS, SPRING MEANS FOR URGING SAID CONTACTS

References Cited (Backward Citations)

US2231627A Cited
US2753432A Cited
US2847522A Cited
GB859044A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-02-16 1968-08-17 1969-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-02-16 1972-08-17 1973-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-02-16 1976-08-17 1977-02-16 $7700.00 Window Closed / Lapsed

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