US PATENT SUBCLASS 116 / 211
.~.~ Dye marker type

Current as of: June, 1999
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116 /   HD   SIGNALS AND INDICATORS

200  DF  INDICATORS {32}
209  DF  .~ By location {2}
211.~.~ Dye marker type

DEFINITION

Classification: 116/211

Dye marker type:

(under subclass 209) Devices wherein the indicator is a brightly colored material, e.g., dye stuff, pigment, chemiluminescent matter, etc., that is released from said indicator and spreads over the surface of the ground or body of water.