US PATENT SUBCLASS 335 / 305
.~.~.~ Magnetic plug type (e.g., crankcase plug)

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

209  DF  MAGNETS AND ELECTROMAGNETS {10}
296  DF  .~ Magnet structure or material {4}
302  DF  .~.~ Permanent magnets {4}
305.~.~.~ Magnetic plug type (e.g., crankcase plug)

DEFINITION

Classification: 335/305

(under subclass 302) Subject matter wherein the permanent magnet is in the form of a plug adapted to be threaded or otherwise inserted into a liquid containing vessel, such as a crankcase, for collecting metallic particles suspended in the liquid for removal from the crankcase or container.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids,

212, and 213+ for magnetic classifying, separating or assorting means.

210, Liquid Purification or Separation,

222+, for magnetic purification or separation means.

600, Surgery, 11, for magnetic probes used to remove magnetic particles from the body.