US PATENT SUBCLASS 285 / 133.21
.~.~ Having a seal, gasket, O-ring, or packing

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


285 /   HD   PIPE JOINTS OR COUPLINGS

125.1  DF  FOR BRANCHED PATH {8}
133.11  DF  .~ T-type {5}
133.21.~.~ Having a seal, gasket, O-ring, or packing

DEFINITION

Classification: 285/133.21

Having a seal, gasket, O-ring, or packing:

(under subclass 132.1) Subject matter including a means which prevents or minimizes the flow of a fluid.