US PATENT SUBCLASS 131 / 281
.~ Including perforating

Current as of: June, 1999
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131 /   HD   TOBACCO

280  DF  CIGAR OR CIGARETTE MAKING {14}
281.~ Including perforating

DEFINITION

Classification: 131/281

Including perforating:

(under subclass 280) Process or apparatus including means for penetrating, slitting, or otherwise perforating the tobacco product.

SEE OR SEARCH THIS CLASS, SUBCLASS:

350, for a hand held or manipulated tobacco product perforator.

SEE OR SEARCH CLASS

219, Electric Heating, appropriate subclasses for perforating by inductive heating, microwave heating, and capacitive dielectric heating.