Patent
   D309641
Priority
Nov 29 1988
Filed
Nov 29 1988
Issued
Jul 31 1990
Expiry
Jul 31 2004
Assg.orig
Entity
unknown
7
4
n/a
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.

Olsen, Flemming H.

Patent Priority Assignee Title
D314991, Sep 28 1989 Interlego A.G. Toy building element
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
Patent Priority Assignee Title
3175654,
233750,
D295644, Mar 27 1985 Kawada Co., Ltd. Toy interconnecting chassis block or the like
D295646, Nov 26 1986 Interlego A.G. Toy building element
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 01 1988OLSEN, FLEMMING H INTERLEGO A G ASSIGNMENT OF ASSIGNORS INTEREST 0049710460 pdf
Nov 29 1988Interlego A.G.(assignment on the face of the patent)
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