US PATENT SUBCLASS 137 / 483
.~.~ With separate reactor surface

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

455  DF  LINE CONDITION CHANGE RESPONSIVE VALVES {11}
479  DF  .~ Combustion engine induction type {5}
483.~.~ With separate reactor surface

DEFINITION

Classification: 137/483

(under subclass 479) Apparatus which includes a separate reactor surface which is responsive to the pressure differential between the interior and exterior of the inlet manifold.

(1) Note. See notes to subclass 494 for definition of "separate reactor surface".

SEE OR SEARCH THIS CLASS, SUBCLASS:

494+, for condition responsive reactor surface controlled valves of general utility. See (1 Note).