US PATENT SUBCLASS 137 / 287
.~.~ Reciprocating riser

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

272  DF  HYDRANT TYPE {15}
286  DF  .~ Movable riser actuated valve {1}
287.~.~ Reciprocating riser {1}
288  DF  .~.~.~> Piston type valve

DEFINITION

Classification: 137/287

(under subclass 286) Apparatus in which reciprocating movement of the riser actuates the valve.

(1) Note. This subclass includes those hydrants in which a combination of reciprocating movement and rotary movement of the riser actuates the valve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

277, for water crane risers which reciprocate and rotate.