US PATENT SUBCLASS 242 / 604
.~.~ Openwork


Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

570  DF  COIL HOLDER OR SUPPORT (E.G., SPINDLE, DISPENSER, OR SPOOL) {6}
600  DF  .~ Spool or core {12}
604.~.~ Openwork {1}
604.1  DF  .~.~.~> Wire hub and flange


DEFINITION

Classification: 242/604

Openwork:

(under subclass 600) Subject matter wherein the spool is provided with significant surface voids between structural portions.

(1) Note. The voids may be created in the surface of a spool hub or flange by skeletal or grid construction of rods, wire, dowels, slats, lath, netting, or perforated material provided with significant openings or spacing frequently used to facilitate fluid flow about wound material for washing, drying, dyeing, etc., or to create a large, lightweight spool.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118.1, and 118.11, for an openwork strand spool.

407.1+, for a spool used with a drive to form a reel.

577+, for a spoke-type skein holder.

602+, for a spool with convolution separators or a spoke-type spool.