US PATENT SUBCLASS 400 / 900
CHEMICAL-SYMBOL CHARACTER


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



400 /   HD   TYPEWRITING MACHINES

900CHEMICAL-SYMBOL CHARACTER


DEFINITION

Classification: 400/900

CHEMICAL-SYMBOL CHARACTER:

(under the class definition) Subject matter wherein the typewriter is capable of imprinting a character* that represents a symbol used in chemistry.