US PATENT SUBCLASS 277 / 566
.~.~.~.~.~ Both radial sides of the single seal (e.g., X-shaped, Y-shaped, etc.)

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}
549  DF  .~.~ Peripheral radially sealing flexible projection (e.g., lip seal, etc.) {12}
562  DF  .~.~.~ Plural peripheral radially sealing flexible projections {3}
565  DF  .~.~.~.~ On radial facing side of single seal {3}
566.~.~.~.~.~ Both radial sides of the single seal (e.g., X-shaped, Y-shaped, etc.)

DEFINITION

Classification: 277/566

Both radial sides of the single seal (e.g., X-shaped, Y-shaped, etc.):

(under subclass 565) Radially facing wherein the seal body has one or more flexible projections on another axially extending side.