US PATENT SUBCLASS 137 / 514.3
.~.~.~ End of valve forms dashpot chamber

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

455  DF  LINE CONDITION CHANGE RESPONSIVE VALVES {11}
511  DF  .~ Direct response valves (i.e., check valve type) {14}
514  DF  .~.~ With retarder or dashpot {2}
514.3.~.~.~ End of valve forms dashpot chamber

DEFINITION

Classification: 137/514.3

(under subclass 514) Devices wherein the end of the valve has a dashpot chamber therein.