US PATENT SUBCLASS 277 / 645
.~.~.~ Hollow or filled chamber

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}
644  DF  .~.~ Particular cross-sectional seal profile {3}
645.~.~.~ Hollow or filled chamber {1}
646  DF  .~.~.~.~> Inflatable

DEFINITION

Classification: 277/645

Hollow or filled chamber:

(under subclass 644) Particular cross-sectional seal profile wherein the seal has a cavity empty or full of material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

605, for a hollow, fluid-filled, or inflatable static contact seal or an associated member intended for use on a pipe, conduit, or cable.

SEE OR SEARCH CLASS

49, Movable or Removable Closures, for more than nominal movable or removable closure structure (e.g., door jam, etc.),

498.1, for a seal acting at a juncture of the closure and an adjacent member is tubular or has a tubular portion.