Receptacles – Receptacle having means to facilitate maintaining contents... – For a beverage
Reexamination Certificate
2001-02-06
2002-06-18
Pollard, Steven (Department: 3727)
Receptacles
Receptacle having means to facilitate maintaining contents...
For a beverage
C215S012100
Reexamination Certificate
active
06405892
ABSTRACT:
RELATED APPLICATIONS
The present invention was first described in Disclosure Document No. 477,575 filed on Jul. 28, 2000. There are no previously filed, nor currently any co-pending applications, anywhere in the world.
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to insulated drinking containers and, more particularly, to a thermally insulated beverage glass.
2. Description of the Related Art
Nothing is more refreshing on a hot day than a cold beverage such as ice tea, soda, beer, ice water or the like. However, one must deal with the “sweating” or condensation that forms on the exterior of a glass. This sweating may leave puddles on the table, which may cause damage if the table is made of wood. The condensation also causes a safety problem should the glass slip from ones hand when picking it up. One method of reducing such problems is the use of insulated plastic glasses. While plastic glasses with insulating walls do cut down on condensation on the exterior of the glass, many people do not like plastic, due to its cheaper feel, and would as such, not be used in finer restaurants.
Accordingly, a need has developed for insulated drinking glasses made from glass, so that cold beverages can be enjoyed without glass condensation problems. The development of the thermally insulated beverage glass fulfills this need.
A search of the prior art did not disclose any patents that read directly on the claims of the instant invention; however, the following references were considered related. The following patents disclose the design and function of an insulated drinking cup or container: U.S. Pat. No. 6,010,062 issued in the name of Shimono; U.S. Pat. No. 5,261,554 issued in the name of Forbes; U.S. Pat. No. 5,253,780 issued in the name of Adado; U.S. Pat. No. 5,005,717 issued in the name of Oilar; U.S. Pat. No. 4,007,670 issued in the name of Albano et al.; and U.S. Pat. No. D 372,168 issued in the name of Seager.
U.S. Pat. No. 4,720,023 issued in the name of Jeff describes a combination insulated mug and beverage can holder.
U.S. Pat. No. 4,632,273 issued in the name of Rhine discloses a disposable insulated container and drinking cup combination.
U.S. Pat. No. 4,151,923 issued in the name of Bernardi describes a thermally insulated pre-chill drinking glass.
Consequently, a need has been felt for providing a device which provides a means to enjoy a cold beverage without the aggravations and disadvantages of condensation or sweating.
SUMMARY OF THE INVENTION
Therefore, it is an object of the present invention to provide a beverage glass which is great for cold beverages such as beer, soda, tea, water and the like.
It is another object of the present invention to provide a beverage glass which eliminates or reduces condensation on the outside of the glass.
It is still another object of the present invention to provide a beverage glass with double walls which provides an insulating, interstitial space.
It is still another object of the present invention to provide a beverage glass with double walls which keeps the outer wall at a warmer temperature so as to keep the glass from sweating.
It is another object of the present invention to provide a beverage glass with double walls which keeps beverages colder or warmer.
It is another object of the present invention to provide a beverage glass with double walls which prevents one's hands from warming the beverage as well.
It is another object of the present invention to provide an interstitial space which can be left filled with air, thus forming a vacuum therein.
It is another object of the present invention to provide an interstitial space which can be filled with Styrofoam®, or other insulating material to further enhance insulating qualities.
It is another object of the present invention to provide an interstitial space which can be filled with decorative insulating material as well for aesthetic qualities.
It is another object of the present invention to provide a smooth rim which presents no danger to the user.
Briefly described according to one embodiment of the present invention, a thermally insulated beverage glass is an insulated drinking glass made from glass with an interstitial space in the sides and bottom. Upon initial observation, the invention looks remarkably like a conventional drinking glass. But after closer inspection, it can be seen that the sides and bottom of the glass are double-walled, forming an interstitial space for insulating purposes. The interstitial space can be left filled with air, or filled with an insulating material such as Styrofoam®. Other decorative insulating materials can be placed in the interstitial space as well. An optional hemispherical member, located on the bottom of the inner side wall of the glass, is used to increase structural integrity of the glass. The interstitial space not only reduces or eliminates condensation from forming on the exterior of the glass when filled with cold liquid on hot, humid days, but it also helps keep the liquid cooler.
The use of the present invention provides a means to enjoy a cold beverage without the aggravations and disadvantages of condensation or sweating.
REFERENCES:
patent: 2725733 (1955-12-01), Davis
patent: 2895636 (1959-07-01), Martin
patent: 3156279 (1964-11-01), Grebowiec et al.
patent: 3766975 (1973-10-01), Todd
patent: 4007670 (1977-02-01), Albano et al.
patent: 4632273 (1986-12-01), Rhine
patent: 4720023 (1988-01-01), Jeff
patent: 5005717 (1991-04-01), Dilar
patent: 5253780 (1993-10-01), Adado
patent: 5261554 (1993-11-01), Forbes
patent: D372168 (1996-07-01), Seager
patent: 6010062 (2000-01-01), Shimono
patent: 6050443 (2000-04-01), Tung
Gugliotta John D.
Pollard Steven
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