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Publication numberUSD400949 S
Publication typeGrant
Application numberUS 29/022,706
Publication dateNov 10, 1998
Filing dateMay 11, 1994
Publication number022706, 29022706, US D400949 S, US D400949S, US-S-D400949, USD400949 S, USD400949S
InventorsGary S. Gale
Original AssigneeEnviro Works
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable shade structure
US D400949 S
Abstract  available in
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  1. The ornamental design for a portable shade structure, as shown and described.

FIG. 1 is a perspective view of a portable shade structure in accordance with my design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a right side elevation, of which the left side elevation is a mirror image;

FIG. 5 is a front elevation; and,

FIG. 6 is a rear elevation view.

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US6481451Jun 29, 2000Nov 19, 2002Patent Category Corp.Vertically stacked collapsible structures
US6694994 *Mar 28, 2000Feb 24, 2004Patent Category Corp.Collapsible structures
US6926020Nov 13, 2002Aug 9, 2005Patent Category Corp.Vertically stacked collapsible structures
US7048333 *May 3, 2002May 23, 2006Martinez Robert ECollapsible sun shade for a chair
US7225822 *Jul 18, 2000Jun 5, 2007Patent Category Corp.Collapsible structures
US7549433Aug 1, 2005Jun 23, 2009Patent Catergory Corp.Vertically stacked collapsible structures
US7575011May 30, 2007Aug 18, 2009Patent Category Corp.Collapsible structures
US7836906Apr 28, 2008Nov 23, 2010Patent Category Corp.Collapsible structures having enhancements
US8342226Sep 23, 2010Jan 1, 2013Patent Category Corp.Collapsible sunshade
US8567424Jul 22, 2011Oct 29, 2013Gregory P. Hill, Sr.Tent and tent frame
US8667626Oct 5, 2010Mar 11, 2014Patent Category CorpCollapsible baby play station
WO2002012656A2 *Aug 3, 2001Feb 14, 2002Gray Matter Holdings LlcCollapsible shade for a mat
U.S. ClassificationD21/834