US PATENT CLASS 524
Class Notes

Current as of: June, 1999
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524 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES


DEFINITION

Classification: 524/

Class 524 is a continuation of Class 523. Class 523, subclass 1 is the parent subclass of all the Class 524 subclasses.

The Class 523 Class Definition is applicable to both Class 523 and Class 524.