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The ornamental design for a toy staircase, as shown and described. |
FIG. 1 is a top perspective view of a toy staircase showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a side elevational view thereof, the opposite side being a mirror image.
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D314996, | Nov 29 1988 | Interlego AG | Toy construction piece simulating a chute |
D357714, | Sep 22 1993 | LEGO A S | Staircase for a toy building set |
D358442, | Nov 08 1993 | The Little Tikes Company | Panel with steps for playground structure |
D363096, | Sep 29 1994 | LEGO A S | Staircase for a toy building set |
D371581, | Sep 14 1995 | LEGO A S | Toy staircase |
D640331, | Nov 17 2010 | MEGA BRANDS INC | Toy vehicle track ramp |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 01 1988 | OLSEN, FLEMMING H | INTERLEGO A G | ASSIGNMENT OF ASSIGNORS INTEREST | 004971 | /0460 | |
Nov 29 1988 | Interlego A.G. | (assignment on the face of the patent) | / |
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