US PATENT SUBCLASS 285 / 425
MISCELLANEOUS


Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

425MISCELLANEOUS


DEFINITION

Classification: 285/425

(under the class definition) Subject matter not elsewhere classified.

CROSS-REFERENCE ART COLLECTIONS

The following subclasses provide for concepts illogical to the preceding schedule but which contain frequently searched subject matter. As these subclasses contain only discretionary cross references they are of limited search value such that the searcher should refer to preceding subclasses for a complete search.