Chairs and seats – Bottom or back – Contoured back
Reexamination Certificate
2007-11-06
2007-11-06
Brown, Peter R. (Department: 3636)
Chairs and seats
Bottom or back
Contoured back
C297S440200, C297S452310
Reexamination Certificate
active
10855031
ABSTRACT:
A back for a patient chair having a back shell with a substantially rigid central S-shaped central portion and laterally extending wing portions which have sufficient flexibility to allow deflection in the direction of the front surface upon imposition of a force. The back consists of a formed back shell, a cushion layer laid thereover and an upholstery layer covering the cushion, with the upholstery layer adhered to the cushion and having edge margins wrapped around the outer edge margins of the cushion. The cushion and upholstery material are secured to the back shell through adhesive applied between the wrapped over edge margin portions of the upholstery material and the back shell.
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New Scandinavian Technology.
Beard Craig J.
Jacobs Edward R.
Mattocks Kenneth E.
Nordstrom Carl G.
Parlier Mathew H.
A-dec, Inc.
Brown Peter R.
Klarquist & Sparkman, LLP
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