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Sunshade apparatusSunshade apparatus description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20080018146, Sunshade apparatus. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED APPLICATIONS [0001]This application for a utility patent is a continuation-in-part of a previously filed utility patent, still pending, having the application Ser. No. 11/491,723, filed Jul. 24, 2006. The previous application is hereby incorporated by reference in its entirety. STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002]Not Applicable BACKGROUND OF THE INVENTION [0003]1. Field of the Invention [0004]This invention relates generally to sun shades, and more particularly to a sunshade apparatus that is easily portable and can be quickly and easily attached to a portable chair. [0005]2. Description of Related Art [0006]The following art defines the present state of this field: [0007]Wahl, Jr., U.S. Pat. No. 6,789,557, teaches a portable and collapsible sunshade apparatus having a novel attachment clip. The universal clip enables any type of sunshade apparatus to be attached to any type of beach chair or lounge chair at any desired height above the occupant of the chair and at any desired angular orientation relative to the chair. [0008]Gillins, U.S. Pat. No. 5,967,601, teaches a sunshade apparatus for use with recreational chairs having a seat back. The sunshade has a rigid support to which upper edge clips and side edge clips are connected for releasable attachment to the seat back upper edge and seat back side edge, respectively. The side edge clips can rotate about the support in a generally horizontal plane, and the side edge clips are constructed in a manner to flex in a generally vertical plane. The upper edge clips have a hook portion to enable the sunshade to hang on the seat back upper edge. A canopy frame, covered with a shade producing cover, is pivotally attached to the support. When not in use, the canopy frame can be pivoted to a collapsed, generally flat configuration with the support. [0009]Brim, U.S. Pat. No. 5,022,420, teaches a shade apparatus for use with a lawn mower. The apparatus includes a plurality of spaced U-shaped mounds for securement to handles of the lawnmower. Support rods pivotally mount at each respective end thereof with first canopy rods wherein the first canopy rods movably receive U-shaped canopy sliders wherein the organization is formable into a conveniently stored organization and easily errected and secured to the associated lawn mower. Further, the invention includes a storage container secured to the canopy wherein the storage container provides a tethered pair of ear protective devices for use in association with a lawn mower. [0010]The above-described references are hereby incorporated by reference in full. [0011]The prior art teaches various forms of sunshades that can be attached to a chair or other structure. However, the prior art does not teach a sunshade apparatus having the unique attachment elements described below. The present invention fulfills these needs and provides further related advantages as described in the following summary. SUMMARY OF THE INVENTION [0012]The present invention teaches certain benefits in construction and use which give rise to the objectives described below. [0013]The present invention provides a sunshade apparatus for shading a chair. The sunshade apparatus includes a flexible canopy element; a support structure for supporting the flexible canopy element above the chair; and a pair of attachment elements. Each of the attachment elements is attached to the support structure for mounting the flexible canopy element above the chair. Each of the pair of attachment elements includes a clamp having a first locking portion hingably attached to a second locking portion, and a locking screw for clamping the first and second locking portions around a tubular element of the chair. [0014]A primary objective of the present invention is to provide a sunshade apparatus having advantages not taught by the prior art. [0015]Another objective is to provide a sunshade apparatus that includes a pair of attachment elements that enable the sunshade apparatus to be quickly and easily attached to a chair for shading the chair. [0016]A further objective is to provide a sunshade apparatus that is easy to unfold and attach to the chair for use. [0017]Other features and advantages of the present invention will become apparent from the following more detailed description, taken in conjunction with the accompanying drawings, which illustrate, by way of example, the principles of the invention. BRIEF DESCRIPTION OF THE DRAWING [0018]The accompanying drawings illustrate the present invention. In such drawings: [0019]FIG. 1 is an exploded perspective view of a sunshade apparatus according to a preferred embodiment of the present invention, illustrating the sunshade apparatus in an extended and spread configuration, and mounted on a chair; Continue reading about Sunshade apparatus... Full patent description for Sunshade apparatus Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Sunshade apparatus patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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