Patent
   D302149
Priority
Apr 28 1988
Filed
Jun 16 1988
Issued
Jul 11 1989
Expiry
Jul 11 2003
Assg.orig
Entity
unknown
6
5
n/a
The ornamental design for push button switch, as shown and described.

FIG. 1 is a top perspective view of a push button switch showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Ozeki, Kumio

Patent Priority Assignee Title
D340224, Jun 09 1992 Illinois Tool Works Inc. Push button switch
D348471, Apr 22 1992 TEK INDUSTRIES, INC Pay type telephone station volume control push-button switch
D348675, Apr 22 1992 TEK INDUSTRIES, INC Pay type telephone station volume control push-button switch
D467932, May 17 2002 Microsoft Corporation Depressible key for a keyboard
D645004, Sep 30 2010 PAYCOMPLETE NORTH AMERICA, LLC Rectangular push button
D645005, Sep 30 2010 PAYCOMPLETE NORTH AMERICA, LLC Round push button
Patent Priority Assignee Title
3707611,
3849621,
4529849, Apr 08 1983 Fujitsu Limited Push-button switch and a keyboard comprising the same
4600819, Mar 08 1985 DATALUX CORPORATION, A CORP OF VA Switch assembly
4709128, May 17 1983 Canon Kabushiki Kaisha Easily positionable keyboard
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 01 1988OZEKI, KUMIOSMK CorporationASSIGNMENT OF ASSIGNORS INTEREST 0048930674 pdf
Jun 16 1988SMK Corporation(assignment on the face of the patent)
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