Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 18, 2008
Patent Application Number
11593866
Date Filed
November 4, 2006
Patent Primary Examiner
Patent abstract
An improved mechanism for extending and retracting a retainer strap for eyewear. The strap is disposed in a cartridge unit such as a box like container which may be inserted into the interior of one or both hollow temples of an eyeglass frame. Alternatively, the strap containing cartridge may be affixed to the exterior of the temple of any pair of eyewear of sufficient size to support the cartridge. Retainer straps suitable for use with the cartridge may be either elastic, inelastic, or one of each to provide for different modes of use.
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