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  Double-walled beverage container with a viewing apertureRelated Patent Categories: Receptacles, Sidewall Structure, Transparent Wall Or PortionThe Patent Description & Claims data below is from USPTO Patent Application 20070158352. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] This invention relates to a beverage container, and more particularly, the invention relates to a double-walled beverage container with a viewing aperture. [0003] 2. Description of the Related Technology [0004] Many variations of beverage containers have been introduced in recent years. These containers have been made from various materials such as stainless steel, plastic, glass, and ceramic. Some beverage containers include ornamental designs and/or indicating elements. Other containers have been designed to be portable, e.g., by the inclusion of a handle and/or lid. In addition, several beverage containers have been designed to keep the liquids held inside either hot or cold. SUMMARY OF CERTAIN INVENTIVE ASPECTS [0005] An aspect of the invention is a beverage container comprising a substantially cylindrical outer layer, wherein the outer layer may comprise at least one aperture that may be filled by a transparent window, and a substantially cylindrical inner layer, wherein at least a portion of the inner layer may be transparent and configured to interlock the inner layer and the outer layer via the transparent window. [0006] With respect to the substantially cylindrical outer layer, in one embodiment, the outer layer may be made of plastic. Suitable plastics include polycarbonate, polyethylene, polyethylene terephthalate, polypropylene, polystyrene, polyvinyl chloride and mixtures thereof. In other embodiments, the outer layer may be made of glass, aluminum, carbon fiber, stainless steel, ceramic or other suitable material(s). [0007] Referring to the substantially cylindrical inner layer, in some embodiments, the inner layer may be made of plastic. Representative plastics include polycarbonate, polyethylene, polyethylene terephthalate, polypropylene, polystyrene, polyvinyl chloride and mixtures thereof. In other embodiments, the inner layer may be made of glass, aluminum, carbon fiber, stainless steel, ceramic or other suitable material(s). In still other embodiments, the inner layer may comprise at least one projection on the outside of the inner layer that may be configured to interlock the inner layer and the outer layer via the transparent window. [0008] Referring to the transparent window, in one embodiment, the transparent window may be made of plastic. Suitable plastics include polycarbonate, polyethylene, polyethylene terephthalate, polypropylene, polystyrene, polyvinyl chloride and mixtures thereof. In another embodiment, the transparent window may be made of glass. [0009] In one embodiment, at least a portion of the top of the inner layer extends beyond the upper edge of the outer layer. In another embodiment, at least a portion of the top of the inner layer extending beyond the upper edge of the outer layer may be configured to engage the upper edge of the outer layer, e.g., at least a portion of the top of the inner layer extending beyond the upper edge of the outer layer may comprise a cylindrical peripheral lip configured to engage the upper edge of the outer layer. [0010] In one embodiment, the beverage container further comprises a base cap. In another embodiment, at least a portion of the bottom of the inner layer may extend beyond the base edge of the outer layer. In some embodiments, at least a portion of the bottom of the inner layer or the outer layer may comprise threads that allow for the base cap and either the inner layer or the outer layer to be joined so as to form a seal between the base cap and the outer layer. In other embodiments, the base cap may comprise threads that allow for the base cap and either the inner layer or the outer layer to be joined so as to form a seal between the base cap and the outer layer. In still other embodiments, the base cap may snap onto the bottom of either the inner layer or the outer layer. [0011] In one embodiment, the beverage container may further comprise a removable top cover. In another embodiment, at least a portion of the top of the inner layer may comprise threads that allow for the removable top cover and the inner layer to be joined. In another embodiment, the removable top cover may have threads that allow for the top cover and the inner layer to be joined. In still another embodiment, the removable top cover may snap onto the upper portion of the inner layer. In some embodiments, the removable top cover may include a dispensing aperture and a ventilation aperture. In other embodiments, the removable top cover may include a mechanism that opens and closes the opening to the dispensing aperture. [0012] In some embodiments, an ornamental design may be applied to both or either the inner layer and the outer layer. In other embodiments, the beverage container may comprise a gripping portion that allows an individual to grab and hold onto the beverage container. BRIEF DESCRIPTION OF THE DRAWINGS [0013] The invention is described herein with reference to the attached drawings. The drawings are merely illustrative, and in no way limit the invention to what is shown. [0014] FIG. 1 is a perspective view of an embodiment of the beverage container with a removable top cover. [0015] FIG. 2 is a view of the outer layer of the beverage container shown in FIG. 1. [0016] FIG. 3 is a view of the inner layer of the beverage container shown in FIG. 1. [0017] FIG. 4 shows the assembly of the base cap, inner layer, outer layer and the removable top cover of the beverage container shown in FIG. 1. [0018] FIG. 5A is a top view of an embodiment of the removable top cover shown in FIG. 1. [0019] FIG. 5B is a bottom view of an embodiment of the removable top cover shown in FIG. 1. [0020] FIG. 6A is a top view of another embodiment of the removable top cover shown in FIG. 1. [0021] FIG. 6B is a bottom view of another embodiment of the removable top cover shown in FIG. 1. Continue reading... Full patent description for Double-walled beverage container with a viewing aperture Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Double-walled beverage container with a viewing aperture 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. 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