US PATENT SUBCLASS 250 / 438
.~.~.~ With a flow-modifying surface

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

Internet Version by PATENTEC © 1999      Terms of Use


250 /   HD   RADIANT ENERGY

428  DF  FLUENT MATERIAL CONTAINMENT, SUPPORT OR TRANSFER MEANS {4}
432 R  DF  .~ With irradiating source or radiating fluent material {4}
435  DF  .~.~ Including a flowthrough transfer means {3}
438.~.~.~ With a flow-modifying surface

DEFINITION

Classification: 250/438

(under subclass 435) Subject matter wherein the fluent material enclosing means has an obstructing means that changes the direction, velocity or some other characteristic of the flow of the fluent material.