US PATENT SUBCLASS 424 / 543
.~ Waste or feces (e.g., slaughterhouse offal, chicken feet, horn, hair, hide, urine, 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}
543.~ Waste or feces (e.g., slaughterhouse offal, chicken feet, horn, hair, hide, urine, etc.) {1}
545  DF  .~.~> Urine {1}


DEFINITION

Classification: 424/543

Waste or feces (e.g., slaughterhouse offal, chicken feet, horn, hair, hide, urine, etc.):

(under subclass 520) Subject matter in which the material is or is derived from waste or feces; e.g., slaughterhouse offal, chicken feet, horn, hair, hide, urine, etc.

(1) Note. Included in this subclass are fecal matter or waste parts of butchered animals, such as hooves, feathers, down, fur, etc.

(2) Note. Hide is defined as a slaughterhouse by-product. Where the term skin is used, it is considered proper for this subclass if it is not an intact and functioning piece of skin as is used for grafting purposes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

574, for skin which is still intact and functioning, as that which is used in grafting.

SEE OR SEARCH CLASS

530, Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof,

357, for purified keratin.