Class 131 Tobacco Products

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http://www.uspto.gov/web/offices/ac/ido/oeip/taf/def/131.htm

Things that stuck out here:

© Processes and apparatus for treating tobacco preliminary or subsequent to manufacturing into products of paragraph (1) where not elsewhere provided for.

(D) Appliances peculiarly adapted to use by smokers where not elsewhere provided for.

(1) Note. The word "tobacco", as used in this class, is considered generic to any material which may be smoked or may be substituted for real tobacco.

(2) Note. Tobacco product manufacturing apparatus may be claimed in combination with apparatus of another classified art. When such is the case, the combination will be found with the other classified art, if the tobacco product manufacturing apparatus is in name only, or no more of the apparatus is claimed than is necessary to support the operation of the other classified art device

77 through 83, for apparatus and processes for making cigarette mouthpieces and cigarette tubes.

subclasses 133+ for dynamic type humidifying apparatus combined with tobacco handling means.

34, Drying and Gas or Vapor Contact With Solids, appropriate subclasses for apparatus for drying tobacco or tobacco articles. (See Lines With Other Classes and Within This Class, Line With Class 34, above.)

201, Distillation: Processes, Thermolytic appropriate subclasses for destructive distillation processes for solid carbonaceous material.

202, Distillation: Apparatus, appropriate subclasses for destructive distillation apparatus.

221, Article Dispensing, appropriate subclasses for devices for dispensing tobacco products either as individual entities or in packages. Classification is in Class 221 when no tobacco users' appliance is claimed in combination therewith.