CHAIR

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20110278889A1
SERIAL NO

13109152

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A chair includes a base, a backrest and a back brace supporting the backrest from the base. The base may include a seat assembly made up of a pan and a flexible support membrane over an upward opening cavity defined by the pan. The back brace may provide a flexible support for the generally planar member formed as a serpentine shape defined by a first curved portion opening toward said base and a second curved portion opening away from said base. The backrest may have an outer frame made from an extruded member having a generally tubular member and a fin coextruded with said generally tubular member to provide a fastening substrate for panels. The base may further include a leg assembly made up of a plurality of leg members and a joiner member joining horizontal portions of the leg members.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GRAND RAPIDS CHAIR COMPANY625 CHESTNUT GRAND RAPIDS MI 49503

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gramza, Daniel J Rockford, US 8 155
Miller, Geoff J Ada, US 5 105
Pabst, Christopher R Marne, US 7 146
Sienkowski, Bruce A Ada, US 5 125

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