Dry ice drinking vessel

Details Dry ice drinking vessel Dry ice drinking vessel

2005-03-22

2005-03-22

Doerrler, William C. (Department: 3744)

Refrigeration

Cooled enclosure

Portable receptacle

C062S457400, C062S460000

Reexamination Certificate

active

06868694

ABSTRACT:
A drinking vessel includes an interior portion that holds pellets or chips of dry ice that cool a beverage in the glass while the beverage is being consumed. The interior portion can be a part of the glass or it can be a detached piece usable in different vessels. Either way the interior portion includes holes that allow the beverage to freely flow around the dry ice while the holes are small enough to prevent the dry ice from entering the portion of the vessel where it could be accidentally consumed.

REFERENCES:
patent: 2105339 (1938-01-01), Sweitzer
patent: 2464522 (1949-03-01), McDonald
patent: 3910461 (1975-10-01), Eager
patent: 4170320 (1979-10-01), Eagar
patent: 4782670 (1988-11-01), Long et al.
patent: 5749500 (1998-05-01), Kraus et al.

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