Patent
   D312071
Priority
Jun 29 1987
Filed
Jun 29 1987
Issued
Nov 13 1990
Expiry
Nov 13 2004
Assg.orig
Entity
unknown
7
10
n/a
The ornamental design for an interrupter switch, as shown and described.

FIG. 1 is a perspective view of an interrupter switch in the open position showing my new design;

FIG. 2 is a front elevational view of an interrupter switch in the closed position showing my new design;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top-plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear elevational view of an interrupter switch showing a second embodiment of my new design, the difference being in the appearance of the insulators. All other aspects of the second embodiment are the same as those shown in FIGS. 1 and 7;

FIG. 9 is a left side elevational view thereof;

FIG. 10 is a right side elevational view thereof; and

FIG. 11 is a top plan view thereof.

Urbanek, John

Patent Priority Assignee Title
D552561, Apr 14 2006 Mitsubishi Electric Corporation Gas insulated switchgear
D556696, Nov 11 2004 ABB Schweiz AG Medium and high voltage switch
D558147, May 12 2005 ABB Schweiz AG Medium and high voltage switch
D558148, Jul 19 2005 ABB Schweiz AG Medium voltage switch with embedded pole
D558149, Oct 28 2005 ABB Schweiz AG Embedded pole with a vacuum circuit interrupter disposed inside
D773403, Jun 15 2015 ABB Schweiz AG Embedded pole for a medium voltage switch
D912631, Aug 01 2017 THE TRUSTEES FOR THE TIME BEING OF THE LIVE LINE INTERNATIONAL TRUST Firewall bracket
Patent Priority Assignee Title
2954450,
3308259,
3647996,
3787651,
4013852, Feb 10 1975 A. B. Chance Company Expulsion interruption device for high voltage switches
4103129, Mar 09 1977 S & C Electric Company High voltage circuit interrupter switch arrangement
4107487, Mar 09 1977 S & C Electric Company Interrupter switch arrangement
4126773, Mar 09 1977 S&C Electric Company Polyphase disconnecting switch arrangement
CA912621,
CA9528216,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 29 1987S&C Electric Company(assignment on the face of the patent)
Jun 29 1987URBANEK, JOHNS&C ELECTRIC COMPANY, 6601 NORTH RIDGE BLVD , CHICAGO, ILL A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0047340183 pdf
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