US PATENT SUBCLASS 277 / 650
.~.~ Particular sealing material or construction

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

590  DF  SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS {3}
628  DF  .~ Contact seal for other than internal combustion engine, or pipe, conduit, or cable {9}
650.~.~ Particular sealing material or construction {3}
651  DF  .~.~.~> Embedded reinforcement
652  DF  .~.~.~> Distinct sheath or covering {1}
654  DF  .~.~.~> Plural layers

DEFINITION

Classification: 277/650

Particular sealing material or construction:

(under subclass 628) Contact seal for other than wherein the seal is of a specific material or has a specific arrangement of material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

534+, for a dynamic, circumferential contact seal for other than a piston intended to be contained or compressed by a gland member in a packing box having a particular material or construction.

627, for a static, contact seal intended for use on a pipe, conduit, or cable having a particular material or construction.

935+, for a seal for other than a static contact seal for an internal combustion engine, pipe, conduit or cable made out of a particular material.

SEE OR SEARCH CLASS

215, Bottles and Jars, for a cap type bottle or jar closure,

233, for a hardenable liquid or plastic seal where the closure seats on the bottle or jar.