US PATENT SUBCLASS 242 / 613.5
.~.~.~.~ Flangeless core

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}
613  DF  .~.~ Particular hub or core formation {2}
613.4  DF  .~.~.~ Reinforcement feature {1}
613.5.~.~.~.~ Flangeless core

DEFINITION

Classification: 242/613.5

Flangeless core:

(under subclass 613.4) Subject matter wherein the reinforcement is applied to a hub free of a radially projecting rim.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118.32, for tube material feature in a cop-type spool.