US PATENT SUBCLASS 501 / 33
.~.~ Beads

Current as of: June, 1999
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501 /   HD   COMPOSITIONS: CERAMIC

1  DF  CERAMIC COMPOSITIONS {15}
11  DF  .~ Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions {11}
33.~.~ Beads {1}
34  DF  .~.~.~> Reflective

DEFINITION

Classification: 501/33

Beads:

(under subclass 11) Subject matter wherein the glass is present in the form of discrete lumps or small shaped self-supporting pieces larger than what may be considered as powder or compositions specifically intended to be made into beads.

(1) Note. Documents classified as originals in this and indented subclasses are cross-referenced on the basis of the chemical nature of the glass composition disclosed into subclasses 40, 41+, and/or 53+, as appropriate.

(2) Note. Documents classified as originals in this and indented subclasses which disclose optical glass compositions are cross-referenced in subclasses 900+.

SEE OR SEARCH CLASS

65, Glass Manufacturing,

21, for processes of making glass beads and balls, including hollow ones, by a process of glass working classified in Class 65.