Patent
   D316151
Priority
Aug 30 1988
Filed
Feb 22 1989
Issued
Apr 09 1991
Expiry
Apr 09 2005
Assg.orig
Entity
unknown
2
5
n/a
The ornamental design for an extension panel, as shown.

FIG. 1 is a perspective view of an extension panel showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view of the extension panel mounted on a wall, the broken line showing of a wall is for illustrative purposes only and forms no part of the claimed design;

FIG. 6 is an end elevational view thereof; and

FIG. 7 is a perspective view of thereof.

Heidmann, Charles

Patent Priority Assignee Title
D905291, May 23 2018 3form, LLC Panel for polygonal partitions
D915778, May 23 2018 3form, LLC Combined bent corner panel and partition
Patent Priority Assignee Title
1938237,
2759093,
3389246,
3592289,
3998027, Jun 08 1972 United States Gypsum Company Decorative runner and wall
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 22 1989Steelcase Strafor(assignment on the face of the patent)
Jun 28 1990HEIDMANN, CHARLESSTEELCASE STRAFOR,ASSIGNMENT OF ASSIGNORS INTEREST 0053710233 pdf
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