Ball chair

The ornamental design for a ball chair, as shown and described.

FIG. 1 is a perspective view of a first preferred embodiment of the present design.

FIG. 2 is a front view of the first preferred embodiment of the present design.

FIG. 3 is a rear view of the first preferred embodiment of the present design.

FIG. 4 is a left view of the first preferred embodiment of the present design.

FIG. 5 is a right view of the first preferred embodiment of the present design.

FIG. 6 is a top view of the first preferred embodiment of the present design.

FIG. 7 is a bottom view of the first preferred embodiment of the present design; and,

FIG. 8 is another perspective view of the first preferred embodiment of the present design.

Patent	Priority	Assignee	Title
11596243,	Jun 17 2020	MIDI LLC	Rocking and bouncing chair
D801713,	Jun 22 2016	Famosa Corp.	Ball chair
D819356,	Dec 12 2016	BLACK MOUNTAIN PRODUCTS, INC	Chair
D829456,	Feb 16 2017	Famosa Corp.	Ball chair
D834840,	Mar 19 2015	CHIA LIN SPORT CO., LTD.	Base seat of a ball chair
D835425,	Apr 13 2017	VIVORA, INC	Seating ball
D865389,	Nov 27 2017	Massage For Pets LLC	Ball chair frame
D893901,	Feb 20 2019	JIANGSU HAWK INDUSTRY GROUP CO., LTD; NANTONG HAWK FITNESS & SPORTS CO., LTD	Yoga chair
D897708,	Jun 06 2019		Ergonomic ball chair
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ER4189,
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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Sep 07 2015	HSU, CHIH-CHAN	CHIA LIN SPORT CO , LTD	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	036659	0506	pdf
Sep 16 2015		CHI LIN SPORT CO., LTD.	(assignment on the face of the patent)

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