US PATENT SUBCLASS 141 / 50
.~.~ Shifted to vent or fill pipe


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

Internet Version by PATENTEC © 1999      Terms of Use



141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

37  DF  DIVERSE FLUID CONTAINING PRESSURE FILLING SYSTEMS INVOLVING RECEIVER GAS CONTENT MODIFICATION {11}
47  DF  .~ Gas control or supply varied, shifted or supplemented during cycle {3}
50.~.~ Shifted to vent or fill pipe


DEFINITION

Classification: 141/50

(under subclass 47) Apparatus in which a source of pressure, either positive or negative, is shifted from one use such as pressurizing or evacuating a receiver to another flow line which is a vent or fill pipe, usually for the purpose of emptying such pipe.

SEE OR SEARCH THIS CLASS, SUBCLASS:

55, for a vent to drain a fill pipe in diverse fluid filling systems.