US PATENT SUBCLASS 508 / 109
.~ Graphite, coal, or elemental carbon
Current as of:
June, 1999
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508 /
HD
SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS
100
DF
SOLID ANTI-FRICTION DEVICE, ARTICLE OR MATERIAL THEREFOR (i.e., SHAPED SOLID ARTICLES WHICH RETAIN THEIR SHAPE DURING USE, SUCH AS BEARINGS, RINGS, SEALS, JOURNAL BOXES, BUSHINGS, BRAKES, CLUTCHES, GUN WADS, JOURNAL BEARINGS, OR LINERS FOR BEARINGS, BRAKES OR CLUTCHES, OR MATERIAL THEREFOR, WHEREIN A LUBRICANT IS A PERMANENT PART OF THE SOLID ANTI-FRICTION DEVICE, ARTICLE OR MATERIAL, WHETHER BY PERMANENT COATING, IMPREGNATION INTO THE INTERSTICES THEREOF, OR BY BEING PART OF THE COMPOSITION) (e.g., SYNTHETICRESIN TYPE SOLID ANTI-FRICTION DEVICES, ETC.)
{6}
109
.~ Graphite, coal, or elemental carbon
DEFINITION
Classification: 508/109
Graphite, coal, or elemental carbon:
(under subclass 100) Devices, articles, or materials which contain elemental carbon, coal, or graphite.
