US PATENT SUBCLASS 277 / 397
.~.~.~ Frictionally engaged or interfitting projection and recess

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}
358  DF  .~ Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) {9}
390  DF  .~.~ Particular secondary mounting seal or driving connection {4}
397.~.~.~ Frictionally engaged or interfitting projection and recess

DEFINITION

Classification: 277/397

Frictionally engaged or interfitting projection and recess:

(under subclass 390) Mounting seal or driving connection

wherein the driving connection is by surface adhesion or a reciprocally fitting protrusion and indent.