Trademark Search  /  DIFFUSOL

DIFFUSOL

○ Dead · Expired

U.S. federal trademark · Serial No. 72203502 · Reg. No. 0804080

Mark
DIFFUSOL
Status
Expired
Serial Number
72203502
Registration No.
0804080
Filing Date
October 7, 1964
Registration Date
February 22, 1966
Class(es)
Class 001

Owner

CHARLOTTE F. HECHT, DOING BUSINESS AS TRANSENE COMPANY
98

Goods & Services

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

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.