US PATENT SUBCLASS 16 / 198
.~.~ Drum and cord

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

193  DF  SASH BALANCES {4}
197  DF  .~ Spring {4}
198.~.~ Drum and cord

DEFINITION

Classification: 16/198

(under subclass 197) Devices combined with drum-and-cord devices for holding the sashes in balanced or adjusted position.