Class 131/193 - Base burner type

Subclass of Class 131 - Tobacco
Definition: Smoking devices arranged to burn the charge from the bottom
No. of patents: 3
Last issue date: 10/13/1998

Number	Title	Issue Date
5819755	Drying device for a cigarette stick A drying device for a cigarette stick includes a hollow cylinder body and a heat applicator. The cylinder body has an open top portion, a closed bottom portion, and an inner wall surface which confines a stick receiving space that is adapted to receive th...	10/13/1998
4235252	Smoking pipe A smoking pipe having improved smoking characteristics. The smoking pipe includes a bowl having top and bottom openings and a breather hole near the top opening and in communication with a pipe stem. A cover assembly is attached to the bowl adjacent to th...	11/25/1980
4133318	Water pipe A tubular water pipe embodying an electrical heating element in its base operable by use of a momentary on/off switch forming a part thereof and divided into separate chambers. The lower chamber collects smoke of a burning product such as tobacco and the ...	01/09/1979

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