US PATENT SUBCLASS 285 / 268
.~ Spring-biased ball

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

261  DF  BALL AND SOCKET {8}
268.~ Spring-biased ball {1}
269  DF  .~.~> Socketed spring

DEFINITION

Classification: 285/268

(under subclass 261) Devices which include a resilient member, e.g., a coiled spring, which urges the ball member into contact with the socket.