US PATENT SUBCLASS 65 / 493
.~.~ Platinum group metal containing (i.e., ruthenium (Ru), rhodium (Rh), osmium (Os), iridium (Ir), palladium (Pd), platinum (Pt))

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

483  DF  FIBER MAKING APPARATUS {21}
492  DF  .~ With designated composition of dies, bushings, or nozzles {1}
493.~.~ Platinum group metal containing (i.e., ruthenium (Ru), rhodium (Rh), osmium (Os), iridium (Ir), palladium (Pd), platinum (Pt))

DEFINITION

Classification: 65/493

Platinum group metal containing (i.e., ruthenium (Ru), rhodium (Rh), osmium (Os), iridium (Ir), palladium (Pd), platinum (Pt)):

(under subclass 492) Apparatus wherein the specified composition of the nozzles, bushings, or dies includes a platinum group metal.

(1) Note. The platinum group metals are: Iridium (Ir); Osmium (Os); Ruthenium (Ru); Rhodium (Rh); Palladium (Pd); Platinum (Pt)