Patent
   D407583
Priority
Nov 25 1997
Filed
Nov 25 1997
Issued
Apr 06 1999
Expiry
Apr 06 2013
Assg.orig
Entity
unknown
23
23
n/a
The ornamental design for a chair base, as shown and described.

FIG. 1 is a perspective view of a chair base incorporating the design of the present invention;

FIG. 2 is a top plan view of the chair base;

FIG. 3 is a side elevational view of the chair base positioned such that the center of the view is between two legs of the base;

FIG. 4 is a side elevational view of the chair base positioned such that one of the legs of the base is in the center of the view;

FIG. 5 is a bottom plan view of the chair base;

FIG. 6 is an enlarged cross-sectional view of one of the legs in FIG. 2 taken along the lines 6--6 near the center of the chair base, shown for purposes of bringing out the transitional design elements of the legs of the chair base as the leg design changes from the hub to the outer leg end;

FIG. 7 is an enlarged cross-sectional view of one of the legs in FIG. 2 taken along the lines 7--7 at the midpoint of the leg, shown for purposes of bringing out the transitional design elements of the legs of the chair base as the leg design changes from the hub to the outer leg end; and,

FIG. 8 is an enlarged cross-sectional view of one of the legs in FIG. 2 taken along the lines 8--8 near the end of the leg, shown for purposes of bringing out the transitional design elements of the legs of the chair base.

Perl, Ludovic A.

Patent Priority Assignee Title
D414629, Feb 10 1998 LEGGETT & PLATT CANADA CO SOCIETE LEGGETT & PLATT CANADA Chair base
D445282, Sep 11 2000 Chair base
D448591, Nov 16 2000 LEGGETT & PLATT CANADA CO SOCIETE LEGGETT & PLATT CANADA Chair base
D482549, Jan 16 2003 Office chair base
D550988, Aug 22 2006 True Seating Concepts, LLC Chair base
D585672, Aug 13 2007 True Seating Concepts, LLC Chair base
D587500, Jan 25 2008 IGOSEATING LIMITED Chair leg assembly with claw design
D622984, Jun 12 2009 DSA International, Inc. Support leg
D634949, Jun 12 2009 DSA International, Inc. Support leg
D644455, May 03 2010 Steelcase Inc Table
D644457, May 03 2010 Steelcase Inc Table
D648553, May 03 2010 Steelcase Inc Chair
D648946, May 03 2010 Steelcase Inc Chair
D653479, Sep 27 2010 DSA International, Inc. Support leg
D654712, May 03 2010 Steelcase Inc Chair
D657582, May 03 2010 Steelcase Inc. Chair
D657583, May 03 2010 Steelcase Inc. Chair
D664371, May 13 2011 Steelcase Inc Ottoman
D665603, Dec 21 2009 Office chair base
D679916, Aug 29 2012 SEQUENTIAL HOLDCO LLC Chair for an exercise ball
D686427, Oct 22 2007 MAMAS & PAPAS HOLDINGS LIMITED Stand for a high chair
D783331, Mar 04 2015 A-Dec, Inc.; A-DEC, INC Stool base
ER981,
Patent Priority Assignee Title
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D370790, Oct 26 1994 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Chair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 25 1997Shepherd Products Inc.(assignment on the face of the patent)
Nov 26 1997PERL, LUDOVIC A SHEPHERD PRODUCTS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0090040940 pdf
Dec 22 2004SHEPHERD PRODUCTS INC LEGGETT & PLATT CANADA CO SOCIETE LEGGETT & PLATT CANADA ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0157780038 pdf
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