US PATENT SUBCLASS 174 / 121 B
.~.~.~.~ Cellulose

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


174 /   HD   ELECTRICITY: CONDUCTORS AND INSULATORS

68.1  DF  CONDUITS, CABLES OR CONDUCTORS {15}
110 R  DF  .~ Insulated {21}
120 R  DF  .~.~ Plural or impregnated layers {7}
121 R  DF  .~.~.~ Fibrous or fabric with plastic or coating materials {4}
121 B.~.~.~.~ Cellulose

Unofficial Alpha Subclasses: R A B AR SR

DEFINITION

Classification: 174/121

(under subclass 120) Structures in which (a) one layer is fibrous or fabric and a contiguous layer is plastic or coating material, or (b) a fibrous or fabric layer is impregnated with a composition of matter.

(1) Note. Fibrous or fabric, as used herein, means any material or textile composed of fibres and includes, for example, preformed paper or paper pulp, asbestos, feathers, spun glass, cotton, and wool.

(2) Note. Plastic or coating material, as used herein, means those compositions, either natural or synthetic, in plastic or liquid form, capable of being applied by ordinary molding or coating processes. Such compositions may have comminuted material of any character as a constituent thereof. Examples of materials of this type are glass and

rubber.

(3) Note. Preformed tapes, strips, or sheets of rubber, mica, bamboo, or synthetic materials, such as regenerated cellulose, are not considered as fibrous, fabric, plastic or coating material, and conductors insulated by such elements have been placed in subclass 110 of this class, when such material constitutes the only layer, or in subclass 120 when there are additional layers of other material. See note (1) to subclass 120.

(4) Note. See this class, subclass 102 and indented subclasses, for coverings consisting of fibrous or fabric material coated or impregnated with conductive material.