US PATENT SUBCLASS 417 / 74
.~.~ With pumped fluid condition responsive ignition means

Current as of: June, 1999
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417 /   HD   PUMPS

65  DF  ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10}
73  DF  .~ By ignition of motive fluid {2}
74.~.~ With pumped fluid condition responsive ignition means

DEFINITION

Classification: 417/74

(under subclass 73) Apparatus having a separate ignition means to ignite the motive fluid, said ignition means being responsive to a condition of the pump fluid.