US PATENT SUBCLASS 111 / 26
.~.~.~ Powder marking

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
15  DF  .~ Hill-planting machines {5}
25  DF  .~.~ Depositing and marking mechanisms {3}
26.~.~.~ Powder marking

DEFINITION

Classification: 111/26

(under subclass 25) Marking devices wherein accomplished by dropping upon the ground traversed a distinctively colored powder.

SEE OR SEARCH CLASS

239, Fluid Sprinkling, Spraying, and Diffusing,

656, for a device comprising plural containers for nonfluid materials and a scattering or strewing means, one of which materials may be a colored indicating powder.