US PATENT SUBCLASS 106 / 622
.~.~ Wax, paraffin, oil shale, or bituminous material containing (e.g., asphalt, pitch, tar, etc.)
Current as of:
June, 1999
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106 /
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COMPOSITIONS: COATING OR PLASTIC
*
DD
COATING OR PLASTIC COMPOSITIONS
{40}
600
DF
.~ Alkali metal silicate containing {23}
622
.~.~ Wax, paraffin, oil shale, or bituminous material containing (e.g., asphalt, pitch, tar, etc.)
DEFINITION
Classification: 106/622
Wax, paraffin, oil shale, or bituminous material containing (e.g., asphalt, pitch, tar, etc.):
(under subclass 600) Subject matter employing a wax, paraffin, oil shale, or bituminous material, e.g., tar. asphalt, pitch, etc.
