(under the class definition) Subject matter wherein the structure includes switch means whereby the actuation of the main contacts from an operative to an inoperative position or vice versa is entirely accomplished by means of permanent magnets.
SEE OR SEARCH THIS CLASS, SUBCLASS:
84+, for magnetic structure of polarity responsive switches.
137, for multiple contact switches with plural diverse magnets (e.g., electromagnet and permanent magnet).
153, for vacuum or hermetically sealed type switches with permanent magnet.
179, for switches utilizing electromagnet and permanent magnet. 222, for relatively movable coil and permanent magnet.
229+, below, for magneto-mechanical devices utilizing permanent magnets.
302+, for permanent magnet structure, per se.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers,
52+, for special application switches which may utilize permanent magnets, and other indented subclasses such as 61.41 for switches in special environment utilizing permanent magnets, subclass 80 for centrifugal switches, with permanent magnets, subclass 81.8 for fluid pressure actuated switches with permanent magnets, subclass 84 for float type switches utilizing permanent magnets, and subclass 404 for mechanical switches with permanent magnets.
310, Electrical Generator or Motor Structure,
103+, for magnetic field type torque transmitting clutches or brakes.
336, Inductor Devices,
110, for inductor devices with permanent magnets.
337, Electricity: Electrothermally or Thermally Actuated Switches,
2, for electrothermal or thermal actuated switches combined with other art switches which may be permanent magnet actuated, subclasses 54, 90, 134, and 344 for particular type thermal switches utilizing permanent magnets. 338, Electrical Resistors,
12, for devices wherein a resistance is variably actuated by a movable magnet, and subclass 32 for Hall effect type resistors.
340, Communications: Electrical,
825.79+, for matrices utilizing permanent magnets
361, Electricity: Electrical Systems and Devices,
208, for circuits utilizing polarized relays.
365, Static Information Storage and Retrieval, appropriate subclass for magnetic storage systems particularly
