US PATENT SUBCLASS 428 / 358
.~ Channel shape

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

357  DF  COATED OR STRUCTUALLY DEFINED FLAKE, PARTICLE, CELL, STRAND, STRAND PORTION, ROD, FILAMENT, MACROSCOPIC FIBER OR MASS THEREOF {5}
358.~ Channel shape

DEFINITION

Classification: 428/358

(under subclass 357) Product comprising a substantially U-shaped groove or slot.

(1) Note. Many of the patents herein disclose weatherstripping of strand* form having a U-shaped groove in which a pane of glass usually fits.

SEE OR SEARCH THIS CLASS, SUBCLASS:

85+, especially subclasses 89 and 95 for a channel shaped product including pile structure and acting as window pane channel.