US PATENT SUBCLASS 131 / 210
.~.~.~.~ Serial checks or baffles

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

329  DF  TOBACCO USERS' APPLIANCE {8}
330  DF  .~ Device used for smoking {21}
200  DF  .~.~ Smoke treating {1}
201  DF  .~.~.~ Material separator and trap {7}
210.~.~.~.~ Serial checks or baffles

DEFINITION

Classification: 131/210

(under subclass 201) Smoking devices having two or more devices arranged in the smoke passage in series to check or baffle the flow of smoke.