US PATENT SUBCLASS 424 / 551
.~.~ Gastrointestinal system (e.g., intestine, stomach, gall bladder, 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}
550  DF  .~ Digestive system (e.g., salivary gland, etc.) {1}
551.~.~ Gastrointestinal system (e.g., intestine, stomach, gall bladder, etc.) {2}
553  DF  .~.~.~> Liver {1}
556  DF  .~.~.~> Pancreas

DEFINITION

Classification: 424/551

Gastrointestinal system (e.g., intestine, stomach, gall bladder, etc.):

Subject matter under subclasses 550 in which the material is or is derived from part of the gastrointestinal system; e.g., intestine, stomach, gall bladder, etc.

(1) Note. Included in this subclass are the large and small intestines and parts thereof such as intestinal mucosa, the stomach, and parts thereof such as gastric mucosa, and bile ducts.