US PATENT SUBCLASS 361 / 731
.~.~.~.~.~ Interchangeable

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

600  DF  HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS {11}
679  DF  .~ For electronic systems and devices {15}
728  DF  .~.~ Module {4}
729  DF  .~.~.~ Plural {3}
730  DF  .~.~.~.~ With housing {3}
731.~.~.~.~.~ Interchangeable

DEFINITION

Classification: 361/731

Interchangeable:

(under subclass 730) Subject matter wherein one module can be substituted for another within the module housing.