US PATENT SUBCLASS 131 / 330
.~ Device used for smoking

Current as of: June, 1999
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131 /   HD   TOBACCO

329  DF  TOBACCO USERS' APPLIANCE {8}
330.~ Device used for smoking {21}
173  DF  .~.~> Smoke washing type
174  DF  .~.~> Wind or ash guarding or ash receiving {2}
178  DF  .~.~> Combined or convertible {6}
187  DF  .~.~> Cigar and cigarette holders {2}
191  DF  .~.~> Tubes
192  DF  .~.~> Foldable or collapsible
193  DF  .~.~> Base burner type
194  DF  .~.~> Heat exchanging and/or insulating {2}
198.1  DF  .~.~> Supplemental or substitute air inlet {1}
199  DF  .~.~> Longitudinally divided
200  DF  .~.~> Smoke treating {1}
216  DF  .~.~> Special smoke passages {2}
219  DF  .~.~> Lined or coated {1}
221  DF  .~.~> Reversible bowl
222  DF  .~.~> Bowl detachable from neck cup
223  DF  .~.~> With valve or external passage closure
224  DF  .~.~> Tobacco supports
225  DF  .~.~> Joints and connections
226  DF  .~.~> Bowls
227  DF  .~.~> Stems, bits or tips {2}
230  DF  .~.~> Materials and compositions

DEFINITION

Classification: 131/330

Device used for smoking:

(under subclass 329) Appliance designed to burn tobacco or a substitute material, and delivers the products of combustion to the appliance user.

(1) Note. Included in this and the indented subclasses are devices for receiving or holding tobacco or a substitute material in loose or cartridge form, means for burning the material, and means for conveying the product of combustion, usually to the mouth of the user, and subcombinations of such devices not elsewhere provided for.

SEE OR SEARCH THIS CLASS, SUBCLASS:

329, for devices which distill rather than burn tobacco or a tobacco substitute.

SEE OR SEARCH CLASS

446, Amusement Devices: Toys,

6, for bubble blowing pipes.