US PATENT SUBCLASS 428 / 376
.~.~.~ Discontinuous or tubular or cellular core

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

Internet Version by PATENTEC © 1999      Terms of Use


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}
364  DF  .~ Rod, strand, filament or fiber {9}
375  DF  .~.~ Coated or with bond, impregnation or core {7}
376.~.~.~ Discontinuous or tubular or cellular core

DEFINITION

Classification: 428/376

(under subclass 375) Product having a central or inner portion which contains one or more voids.

(1) Note. The void or voids may be either coextensive or noncoextensive with the longitudinal extent of the central portion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34.1+, for a tube type or cylindrical article* open at both ends, similar in form, but of substantially greater size than the hollow products of this subclass 376.