US PATENT SUBCLASS 428 / 66.4
.~ Seal, gasket, or packing

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

64.1  DF  CIRCULAR SHEET OR CIRCULAR BLANK {8}
66.4.~ Seal, gasket, or packing

DEFINITION

Classification: 428/66.4

Seal, gasket, or packing:

(under subclass 64.1) Subject matter wherein the circular sheet or blank is to be utilized between or around members or joints to prevent leakage there between or therefrom.