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Publication numberUSD307221 S
Publication typeGrant
Application numberUS 07/020,673
Publication dateApr 17, 1990
Filing dateMar 2, 1987
Publication number020673, 07020673, US D307221 S, US D307221S, US-S-D307221, USD307221 S, USD307221S
InventorsWilliam E. Mudge
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Orthopedic chair seat
US D307221 S
Abstract  available in
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  1. The ornamental design for an orthopedic chair seat, as shown and described.

FIG. 1 is a perspective view of an orthopedic chair seat, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view, as seen when in use;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view, as seen when in use; and

FIG. 7 is a bottom plan view thereof.

Non-Patent Citations
1Interiors, Nov., 1962, p. 123, chair in top left corner of page.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7396078Feb 5, 2004Jul 8, 2008Wenger CorporationMusic posture chair
US7867115Dec 17, 2007Jan 11, 2011Tangle, Inc.Segmented ball with lighted elements
US8231175Apr 13, 2010Jul 31, 2012Afshin AminianDynamic orthopaedic chair
US9049936Jan 14, 2011Jun 9, 2015Currier PlasticsIntegral coccyx and lumbar support system
US20140210238 *Jan 26, 2013Jul 31, 2014Bruce G. KaniaRocker-equipped hunting blind
U.S. ClassificationD06/716, 297/452.12, 297/452.36, 297/452.25, D06/375, 297/DIG.2, 297/452.14