US PATENT SUBCLASS 361 / 144
.~.~ For lifting or holding

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.~.~ For lifting or holding {1}
145  DF  .~.~.~> Magnetic chuck-type

DEFINITION

Classification: 361/144

For lifting or holding:

(under subclass 143) Subject matter wherein the electromagnet is used for lifting, suspending, holding or displacing objects by controlling the field of the electromagnet.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

90.5, for magnetic supports.