US PATENT SUBCLASS 273 / 160
.~.~ Mortised blocks

Current as of: June, 1999
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273 /   HD   AMUSEMENT DEVICES: GAMES

153 R  DF  PUZZLES {6}
156  DF  .~ Take-aparts and put-togethers {4}
160.~.~ Mortised blocks

DEFINITION

Classification: 273/160

(under subclass 156) Puzzles in which the parts of an interconnected whole are formed of interfitting mortised sections in the form of blocks.