US PATENT SUBCLASS 71 / 20
.~.~.~.~ With other organic 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  DF  .~.~ From animal matter {6}
19  DF  .~.~.~ Bone {1}
20.~.~.~.~ With other organic matter

DEFINITION

Classification: 71/20

(under subclass 19) Processes and products which include other organic fertilizer values except other animal derivatives such as are classified below.