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The ornamental design for push button switch, as shown and described. |
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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.
| Patent | Priority | Assignee | Title |
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| 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 |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 01 1988 | OZEKI, KUMIO | SMK Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004893 | /0674 | |
| Jun 16 1988 | SMK Corporation | (assignment on the face of the patent) | / |
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