US PATENT SUBCLASS 434 / 388
.~ Lubricant or lubrication
Current as of:
June, 1999
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434 /
HD
EDUCATION AND DEMONSTRATION
365
DF
MEANS FOR DEMONSTRATING APPARATUS, PRODUCT, OR SURFACE CONFIGURATION, OR FOR DISPLAYING EDUCATION MATERIAL OR STUDENT'S WORK
{37}
388
.~ Lubricant or lubrication
DEFINITION
Classification: 434/388
Lubricant or lubrication:
(under subclass 365) Subject matter relating to oil, grease, or like friction-reducing material.
