US PATENT SUBCLASS 84 / 413
.~.~ Cord tighteners

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
411 R  DF  .~ Drums {11}
413.~.~ Cord tighteners

DEFINITION

Classification: 84/413

Means for tightening cords that stretch the heads.