US PATENT SUBCLASS 242 / 610.4
.~.~.~ Diverse materials

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}
610  DF  .~.~ Particular material or material treatment {4}
610.4.~.~.~ Diverse materials

DEFINITION

Classification: 242/610.4

Diverse materials:

(under subclass 610) Subject matter wherein the spool includes a component made of a material significantly different from that of another component, that is, either (a) different material categories (e.g., metal, wood, glass, plastic, paper, textile, etc.), or (b) materials within the same category but with significantly different chemical composition or physical property (e.g., steel and copper metals or cast and fibrous glass).