US PATENT SUBCLASS 361 / 757
.~.~.~.~ With particular material

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}
748  DF  .~.~ Printed circuit board {4}
752  DF  .~.~.~ With housing or chassis {7}
757.~.~.~.~ With particular material

DEFINITION

Classification: 361/757

With particular material:

(under subclass 752) Subject matter wherein at least a part of the printed circuit board housing or chassis is composed of one or more specific substances.

SEE OR SEARCH THIS CLASS, SUBCLASS:

739, for printed circuits in modules with particular material.

751, for flexible printed circuit board not contained in module and having a particular material or coating.

771, for printed circuit board not contained in a module with a mounting pad and having a particular material.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

256, for particular material of printed circuit board without diverse electrical components.