US PATENT SUBCLASS 285 / 139.2
.~.~ Nipple includes seal

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

136.1  DF  PIPE TO DISCREET NIPPLE OR SLEEVE TO PLATE (I.E., THREE SUCCESSIVE PIECES) {7}
139.1  DF  .~ Plate clamped between flanged nipple and separate fastener {2}
139.2.~.~ Nipple includes seal

DEFINITION

Classification: 285/139.2

Nipple includes seal:

(under subclass 139.1) Subject matter including a pliable annular means (e.g., seal, gasket, O-ring, packing, etc.) which is intended to function as a leakage preventer.