Patent
   D324616
Priority
Feb 02 1989
Filed
Feb 02 1989
Issued
Mar 17 1992
Expiry
Mar 17 2006
Assg.orig
Entity
unknown
4
5
n/a
The ornamental design for a chair base, as shown and described.

FIG. 1 is a perspective view of a chair base, showing our new design, the broken lines are for illustrative purposes only;

FIG. 2 is a right side elevational view of the chair base;

FIG. 3 is a top plan view of the chair base;

FIG. 4 is a bottom plan view of the chair base;

FIG. 5 is a left side elevational view of the chair base;

FIG. 6 is a front elevational view of the chair base; and,

FIG. 7 is a rear elevational view of the chair base.

Litewka, Jack, Grahl, Fredrich W.

Patent Priority Assignee Title
D334293, Sep 05 1990 Chair
D366169, Dec 12 1994 Pedestal base for a chair
D583592, Jan 22 2008 True Seating Concepts, LLC Chair base
D884697, Nov 17 2017 Samsung Electronics Co., Ltd. Digital board
Patent Priority Assignee Title
192143,
193862,
206330,
D261078, Oct 11 1979 CHROMCRAFT CORPORATION, A CORP OF DE Bar stool
D297690, Feb 18 1985 Combined chair base and shin support unit
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 26 1989GRAHL, FREDRICH W GRAHL INDUSTRIES, INC , A CORP OF MICHIGANASSIGNMENT OF ASSIGNORS INTEREST 0050370825 pdf
Jan 28 1989LITEWKA, JACKGRAHL INDUSTRIES, INC , A CORP OF MICHIGANASSIGNMENT OF ASSIGNORS INTEREST 0050370825 pdf
Feb 02 1989Grahl Industries, Inc.(assignment on the face of the patent)
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