US PATENT SUBCLASS 277 / 513
.~.~.~.~ External device or system

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
500  DF  .~ Circumferential contact seal for other than piston {13}
510  DF  .~.~ Contained or compressed by gland member in packing box {10}
512  DF  .~.~.~ Fluid introducer or director {5}
513.~.~.~.~ External device or system

DEFINITION

Classification: 277/513

External device or system:

(under subclass 512) Fluid introduction or director wherein the means is an apparatus or organization of apparatuses located outside the packing box.

SEE OR SEARCH THIS CLASS, SUBCLASS:

930, for a seal for other than a dynamic seal to be contained or compressed by a gland member in a packing box including an external device or system to introduce or direct a fluid having a heating or cooling feature.