US PATENT SUBCLASS 441 / 51
.~.~.~ Dog

Current as of: June, 1999
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441 /   HD   BUOYS, RAFTS, AND AQUATIC DEVICES

35  DF  RAFTS {8}
47  DF  .~ Formed from log or other product {3}
50  DF  .~.~ Coupling means {4}
51.~.~.~ Dog

DEFINITION

Classification: 441/51

Dog:

(under subclass 50) Device wherein the joining means is a spike or wedgelike device driven into a log to couple one to another.