US PATENT SUBCLASS 501 / 155
.~ Composed of waste material
Current as of:
June, 1999
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501 /
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COMPOSITIONS: CERAMIC
1
DF
CERAMIC COMPOSITIONS
{15}
155
.~ Composed of waste material
DEFINITION
Classification: 501/155
Composed of waste material:
(under subclass 1) Subject matter comprising materials retrieved as residues from other processes or as scraps.
(1) Note. Slag, red mud and clinker are common terms used in the art which would be suitable for use with a composition or process of this subclass.
SEE OR SEARCH CLASS
588, Hazardous or Toxic Waste Destruction or Containment,
252+, for the solidification, vitrification, or cementation of hazardous or toxic waste.
CROSS-REFERENCE ART COLLECTIONS
These collections pertain to optical glasses in subclasses 13, 40, 41+, and 53+.
