US PATENT SUBCLASS 34 / 465
.~.~.~.~.~ Gas or vapor directed to single surface of material

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

Internet Version by PATENTEC © 1999      Terms of Use


34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
443  DF  .~ Gas or vapor contact with treated material {17}
444  DF  .~.~ Sheet, web, or strand {7}
459  DF  .~.~.~ Running length of treated material {3}
463  DF  .~.~.~.~ Directing of gas or vapor {2}
465.~.~.~.~.~ Gas or vapor directed to single surface of material

DEFINITION

Classification: 34/465

Gas or vapor directed to single surface of material:

(under subclass 463) Process wherein the gas or vapor is directed to only one surface of the treated material.