US PATENT SUBCLASS 424 / 574
.~.~ Adipose or epithelium

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

520  DF  EXTRACT, BODY FLUID, OR CELLULAR MATERIAL OF UNDETERMINED CONSTITUTION DERIVED FROM ANIMAL IS ACTIVE INGREDIENT {21}
572  DF  .~ Tissue, other than lymphoid tissue (e.g., connective, etc.) {2}
574.~.~ Adipose or epithelium

DEFINITION

Classification: 424/574

Adipose or epithelium:

(under subclass 572) Subject matter in which the material is or is derived from adipose tissue or epithelial tissue.

(1) Note. Included in this subclass are patents directed to fat wherein the disclosure is silent as the rendering.

(2) Note. An intact and functioning piece of skin is considered proper subject matter for this subclass. Such skin is usually used in skin grafting procedures.

(3) Note. Included in this subclass are endothelium, epidermis, and basement membrane.