US PATENT SUBCLASS 307 / 328
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Current as of: June, 1999
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307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

326  DF  PERSONNEL SAFETY OR LIMIT CONTROL FEATURES {2}
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DEFINITION

Classification: 307/328

Interlock:

(under subclass 326) Subject matter relating to systems or devices which prevent the activation of another system or device until a preliminary condition has been met, or to prevent hazardous operation.