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The ornamental design for a boat safety main switch, as shown. |
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FIG. 1 is a top plan view of a boat safety main switch showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevational view thereof; and
FIG. 6 is a left side elevational view thereof.
| Patent | Priority | Assignee | Title |
| D420649, | May 28 1998 | Blue Sea Systems | Switch |
| D740234, | Nov 08 2013 | Power Products, LLC | Battery switch |
| Patent | Priority | Assignee | Title |
| 213698, | |||
| 55820, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 22 1979 | Perko, Inc. | (assignment on the face of the patent) | / |
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