US PATENT SUBCLASS 137 / 586
.~.~.~.~ Access opening interlock or telltale on outlet valve actuator

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

Internet Version by PATENTEC © 1999      Terms of Use


137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
583  DF  .~ System with plural openings, one a gas vent or access opening {3}
584  DF  .~.~ Access and outlet {1}
585  DF  .~.~.~ Tank access opening and bottom outlet {1}
586.~.~.~.~ Access opening interlock or telltale on outlet valve actuator

DEFINITION

Classification: 137/586

(under subclass 585) Systems in which the actuator for the valved outlet performs an additional function in the system by interengaging with or extending into the access opening in one position of the valve thereby preventing the application of a closure to the access opening while the bottom valve is open and/or indicating the open condition of the valve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

553+, for indicators for fluid delivery systems comprising means having indicia or attention attracting means other than the mere position of the part for indicating the position or extent of motion of valves or other system parts.

SEE OR SEARCH CLASS

222, Dispensing,

483, for plural interlocked controllers and/or closures for plural openings in a dispensing system.