US PATENT SUBCLASS 424 / 549
.~.~ Skeleton (e.g., bone, teeth, etc.)

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}
548  DF  .~ Derived from musculoskeletal system, other than cardiac muscle (e.g., cartilage, muscle, etc.) {1}
549.~.~ Skeleton (e.g., bone, teeth, etc.)

DEFINITION

Classification: 424/549

Skeleton (e.g., bone, teeth, etc.):

(under subclass 548) Subject matter in which the material is or is derived from parts of the skeleton or teeth.

(1) Note. Included in this subclass are extracts of epiphyses.

(2) Note. Excluded from this subclass are bone marrow cells isolated from the bone. See subclass 577.