US PATENT SUBCLASS 277 / 649
.~.~.~.~ Plural projections along opposite sealing surfaces

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}
648  DF  .~.~.~ Plural projections along sealing surface {1}
649.~.~.~.~ Plural projections along opposite sealing surfaces

DEFINITION

Classification: 277/649

Plural projections along opposite sealing surfaces:

(under subclass 648) Plural projections along a sealing surface including plural projections along an adverse sealing surface.