Trademark: 72203502
Word
DIFFUSOL
Status
Dead
Status Code
900
Status Date
Thursday, May 22, 1986
Serial Number
72203502
Registration Number
0804080
Registration Date
Tuesday, February 22, 1966
Mark Type
1000
Filing Date
Wednesday, October 7, 1964
Trademark Owner History
CHARLOTTE F. HECHT, DOING BUSINESS AS TRANSENE COMPANY
Classifications
6 CHEMICAL DIFFUSANT FOR USE IN SILICON SEMICONDUCTOR DEVICES, VARACTOR AND ZENER DIODES, TRANSISTORS, RECTIFIERS AND SOLAR CELLS FOR MAKING CONTACTS AND JUNCTIONS IN SILICON
Trademark Events
May 22, 1986
Expired Sec. 9
DAWBAC
JAY-SPAND
Trademark Alertz updated from USPTO on 2030-01-24

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