US PATENT SUBCLASS 361 / 145
.~.~.~ Magnetic chuck-type

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
143  DF  .~ Systems for magnetizing, demagnetizing, or controlling the magnetic field {5}
144  DF  .~.~ For lifting or holding {1}
145.~.~.~ Magnetic chuck-type

DEFINITION

Classification: 361/145

Magnetic chuck-type:

(under subclass 144) Subject matter wherein the work function is performed by a magnetic chuck-type electromagnet.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

291, for magnetic chuck structure.