US PATENT SUBCLASS 285 / 244
.~.~.~ Spring


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

238  DF  NONMETAL TO METAL {1}
239  DF  .~ Internal member (e.g., sleeve or nipple) {2}
242  DF  .~.~ External clamp or holder {8}
244.~.~.~ Spring


DEFINITION

Classification: 285/244

(under subclass 242) Subject matter comprising a contractible spring that clamps the nonmetal member to the internal member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

318, for a coupling with a coil spring type essential catch.

321, for a coupling with a resilient expanding locking ring.