Multifunctional Beverage Container Sleeve Device

Abstract

A multipurpose beverage container enclosure device is disclosed. The device is designed to enclose or cover a beverage container providing insulation and convenience. The koozie device comprises a base and a continuous sidewall extending upward from the base, with an open top end adapted to receive a beverage container. The sidewall is designed to conform to the shape of conventional beverage bottles. In one embodiment, the device includes a zipper, facilitating easy insertion and accommodation of the beverage container within the device. Additionally, the koozie features one or more transparent windows or cut-outs, enabling users to monitor the beverage level in the enclosed beverage container without removing the koozie. The windows can be clear plastic sheets or cut-outs. The koozie device is manufactured from insulating materials like neoprene, rubber, polyester, foam, or fabric, using processes such as die-cutting, laser cutting, or manual cutting.

What is claimed is: 
     
         1 . A beverage container enclosure device comprising:
 a sleeve having a base and a sidewall; and   a fastener for selectively expanding and closing an open top end of said sidewall;   wherein said sidewall extending upward from said base;   wherein said open top end of said sleeve adapted for receiving a beverage container;   wherein said base and said sidewall conform to a shape of said beverage container; and   further wherein said sleeve having a plurality of windows for viewing a beverage level within said beverage container secured in said sleeve.   
     
     
         2 . The beverage container enclosure device of  claim 1 , wherein said plurality of windows include two windows positioned on opposing sides of said sleeve. 
     
     
         3 . The beverage container enclosure device of  claim 2 , wherein said two windows are cut-outs in said sidewall of said sleeve. 
     
     
         4 . The beverage container enclosure device of  claim 3 , wherein said fastener is a zipper. 
     
     
         5 . The beverage container enclosure device of  claim 4 , wherein said zipper extends vertically from said open top end downward along a portion of a length of said sidewall. 
     
     
         6 . The beverage container enclosure device of  claim 5 , wherein said zipper in said expanded position enables removal and insertion of said beverage container. 
     
     
         7 . The beverage container enclosure device of  claim 6 , wherein said beverage container is a bottle. 
     
     
         8 . The beverage container enclosure device of  claim 7 , wherein said sleeve including a material selected from the group consisting of a neoprene, a rubber, a polyester, a foam, and a fabric. 
     
     
         9 . The beverage container enclosure device of  claim 1 , wherein said plurality of windows are transparent windows. 
     
     
         10 . The beverage container enclosure device of  claim 9 , wherein said transparent windows include a material of transparent plastic sheet. 
     
     
         11 . The beverage container enclosure device of  claim 10 , wherein said fastener is a zipper. 
     
     
         12 . The beverage container enclosure device of  claim 11 , wherein said zipper extends vertically from said open top end downward along a portion of a length of said sidewall. 
     
     
         13 . The beverage container enclosure device of  claim 12 , wherein said zipper in said expanded position enables removal and insertion of said beverage container. 
     
     
         14 . The beverage container enclosure device of  claim 13 , wherein said beverage container is a bottle. 
     
     
         15 . The beverage container enclosure device of  claim 14 , wherein said sleeve including a material selected from the group consisting of a neoprene, a rubber, a polyester, a foam, and a fabric. 
     
     
         16 . A beverage container enclosure device comprising:
 a sleeve having a base and a sidewall; and   a fastener for selectively expanding and closing an open top end of said sidewall;   wherein said sidewall extending upward from said base;   wherein said open top end of said sleeve adapted for receiving a beverage container;   wherein said base and said sidewall conform to a shape of said beverage container;   wherein said sleeve having a plurality of windows for viewing a beverage level within said beverage container secured in said sleeve;   wherein said plurality of windows are transparent windows positioned on opposing sides of said sleeve; and   further wherein said transparent windows include a material of transparent plastic sheet.   
     
     
         17 . The beverage container enclosure device of  claim 16 , wherein said fastener is a zipper. 
     
     
         18 . The beverage container enclosure device of  claim 17 , wherein said zipper extends vertically from said open top end downward along a portion of a length of said sidewall. 
     
     
         19 . A beverage container enclosure device comprising:
 a sleeve having a base and a sidewall; and   a fastener for selectively expanding and closing an open top end of said sidewall;   wherein said sidewall extending upward from said base;   wherein said open top end of said sleeve adapted for receiving a beverage container;   wherein said base and said sidewall conform to a shape of said beverage container;   wherein said sleeve having a plurality of windows for viewing a beverage level within said beverage container secured in said sleeve;   wherein said plurality of windows are transparent windows positioned on opposing sides of said sleeve;   wherein said transparent windows include a material of plastic sheet; and   further wherein said plastic sheet having temperature responsiveness for transitioning from a first color to a second color in response to a temperature change in said beverage container.   
     
     
         20 . The beverage container enclosure device of  claim 19 , wherein said plastic sheet including a material selected from the group consisting of a PVC, a PET, a vinyl, and a silicone.