US PATENT SUBCLASS 131 / 184.2
.~.~.~.~ Pipe bowl type

Current as of: June, 1999
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131 /   HD   TOBACCO

329  DF  TOBACCO USERS' APPLIANCE {8}
330  DF  .~ Device used for smoking {21}
178  DF  .~.~ Combined or convertible {6}
184.1  DF  .~.~.~ With cleaner, stirrer, or tamper {2}
184.2.~.~.~.~ Pipe bowl type

DEFINITION

Classification: 131/184.2

Pipe bowl type:

(under subclass 184.1) Subject matter wherein the cleaning, mixing or compacting means is used in the tobacco holding receptacle of a reusable smoking device, i.e., the bowl of a pipe.