US PATENT SUBCLASS 71 / 15
.~.~ From animal matter

Current as of: June, 1999
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71 /   HD   CHEMISTRY: FERTILIZERS

1  DF  PROCESSES AND PRODUCTS {5}
11  DF  .~ Organic material-containing {6}
15.~.~ From animal matter {6}
16  DF  .~.~.~> Marine animals
17  DF  .~.~.~> Blood
18  DF  .~.~.~> Horn, hair, feathers, wool, leather, etc.
19  DF  .~.~.~> Bone {1}
21  DF  .~.~.~> Guano, stable manure, etc.
22  DF  .~.~.~> With other organic material

DEFINITION

Classification: 71/15

Processes for preparing fertilizer and corresponding products, not hereinabove classified, which include animal matter not listed among any of the indented types below or which include a plurality of the said indented types.

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22, if including organic fertilizer other than animal matter.