US PATENT SUBCLASS 277 / 654-- .~.~.~ Plural layers

US PATENT SUBCLASS 277 / 654
.~.~.~ Plural layers

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	DF	.~.~ Particular sealing material or construction {3}
654		.~.~.~ Plural layers

DEFINITION

Classification: 277/654

Plural layers:

(under subclass 650) Particular sealing material or construction wherein the seal has more than one ply of material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

592, for a static, contact seal intended for use between parts of an internal combustion engine having a particular coating or layer of sealing material.

CROSS-REFERENCE ART COLLECTIONS

The following collections have their patents placed without regard to their original classification or to their claimed subject matter. These collections, therefore, are only examples of the art encompassed by the definition and a thorough search for a desired concept should include a search in the proceeding subclasses. Do not place originals in cross-reference art collections.