US PATENT SUBCLASS 492 / 51
.~ Mat or fabric internal layer

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

Internet Version by PATENTEC © 1999      Terms of Use


492 /   HD   ROLL OR ROLLER

49  DF  CONCENTRIC LAYERED ANNULUS {3}
51.~ Mat or fabric internal layer {1}
52  DF  .~.~> Adhesive bonded or resin impregnated

DEFINITION

Classification: 492/51

Mat or fabric internal layer:

(under subclass 49) Roll, which roll has an inside stratum of tangled, woven, or braided fiber.

(1) Note. Generally the mat or fabric layer is intended to strengthen or protect the structure.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles, for a similar structure.