US PATENT SUBCLASS 60 / 529
.~.~ Mass is bimetallic

Current as of: June, 1999
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60 /   HD   POWER PLANTS

516  DF  MOTOR OPERATED BY EXPANSION AND/OR CONTRACTION OF A UNIT OF MASS OF MOTIVATING MEDIUM {3}
527  DF  .~ Mass is a solid {2}
529.~.~ Mass is bimetallic

DEFINITION

Classification: 60/529

(under subclass 527) Apparatus in which the mass consists of at least two interrelated pieces of material each characterized by a different coefficient of expansion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

528, for devices having bimetallic members through which an electrical current is passed which either expands or contracts because of the resistance to the flow of current therethrough.