Mark Identification

DIFFUSOL

Serial Number

72203502

Filing Date

Oct 7, 1964

Registration Date

Feb 22, 1966

Trademark by

CHARLOTTE F. HECHT DOING BUSINESS AS TRANSENE COMPANY

Classification Information

CHEMICAL DIFFUSANT FOR USE IN SILICON SEMICONDUCTOR DEVICES, VARACTOR AND ZENER DIODES, TRANSISTORS, RECTIFIERS AND SOLAR CELLS FOR MAKING CONTACTS AND JUNCTIONS IN SILICON

Metal Goods