US PATENT SUBCLASS 242 / 474.8
.~.~ Coaxial spools

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

470  DF  HELICAL OR RANDOM WINDING OF MATERIAL {17}
474.3  DF  .~ Alternately or sequentially wound spools {2}
474.8.~.~ Coaxial spools {1}
474.9  DF  .~.~.~> On separately driven spindles {1}

DEFINITION

Classification: 242/474.8

Coaxial spools:

(under subclass 474.3) Subject matter wherein the supporting means positions at least some of the take-up members so that their axes lie on a common line.