US PATENT SUBCLASS 123 / 41.36
.~.~.~ Telescoping piston and stationary conduits

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

41.01  DF  COOLING {27}
41.34  DF  .~ Internal cooling of moving parts; e.g., hollow valves, pistons, and movable cylinder {3}
41.35  DF  .~.~ Piston {3}
41.36.~.~.~ Telescoping piston and stationary conduits

DEFINITION

Classification: 123/41.36

(under subclass 41.35) Cooling means in which the piston has attached thereto a conduit, or the piston is shaped to include a conduit, which conduit slides in or on a stationary or fixed conduit for delivering coolant to or from said piston interior.