US PATENT SUBCLASS 131 / 294
.~.~ By radiant energy


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



131 /   HD   TOBACCO

290  DF  TOBACCO TREATMENT {8}
291  DF  .~ Puffing {5}
294.~.~ By radiant energy


DEFINITION

Classification: 131/294

By radiant energy:

(under subclass 291) Process and apparatus wherein the puffing is accomplished by subjecting the tobacco to electromagnetic wave energy.