US PATENT SUBCLASS 106 / 31.11
.~.~ Pencil leads

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
31.01  DF  .~ Marking {14}
31.11.~.~ Pencil leads {1}
31.12  DF  .~.~.~> Wax containing

DEFINITION

Classification: 106/31.11

Pencil leads:

(under subclass 31.01) Coating or plastic compositions used as pencil leads.