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The ornamental design for a staircase for a toy building set, as shown and described. |
FIG. 1 is a top perspective view of a staircase for a toy building set showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 08 1993 | RYAA, JAN | Interlego AG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006715 | /0207 | |
Sep 22 1993 | Interlego AG | (assignment on the face of the patent) | / | |||
Nov 20 2007 | Interlego AG | LEGO A S | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 020609 | /0865 |
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