US PATENT SUBCLASS 139 / 420 R
.~ Materials

Current as of: June, 1999
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139 /   HD   TEXTILES: WEAVING

383 R  DF  FABRICS {9}
420 R.~ Materials {8}
421  DF  .~.~> Elastic {2}
424  DF  .~.~> Including straw or vegetable stalks
425 R  DF  .~.~> Including metal {1}
426 R  DF  .~.~> Textile-thread type {2}
420 A  DF  .~.~> Fabrics wooven of artificial non-cellulosic yarns
420 B  DF  .~.~> Paper or cellulose
420 C  DF  .~.~> Glass
420 D  DF  .~.~> Asbestos

Unofficial Alpha Subclasses: R A B C D

DEFINITION

Classification: 139/420

(under subclass 383) Product wherein one or more of the constituent strands (1) is of a particular composition (natural or otherwise) (2) possesses structure (e.g., particular linear or cross-sectional configuration) or (3) have a particular relationship relative to other strands of the product.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

137+, for fabrics comprising an element which is woven into the texture for the purpose of imparting electrical insulating qualities to the fabric.