Patent
   D314944
Priority
Jun 29 1987
Filed
Jun 29 1987
Issued
Feb 26 1991
Expiry
Feb 26 2005
Assg.orig
Entity
unknown
0
9
n/a
The ornamental design for an interrupter unit for a switch assembly, as shown and described.

FIG. 1 is a perspective view of an interrupter unit for a switch assembly showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top-plan view thereof; and

FIG. 7 is a right side elevational view thereof.

Urbanek, John

Patent Priority Assignee Title
Patent Priority Assignee Title
3508178,
3647996,
3787651,
3909570,
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
CA675244,
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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 0047340187 pdf
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