Trademark: 72356557
Word
DUPONT
Status
Dead
Status Code
900
Status Date
Wednesday, November 4, 1992
Serial Number
72356557
Registration Number
0902194
Registration Date
Tuesday, November 10, 1970
Mark Type
3000
Filing Date
Monday, April 13, 1970
Trademark Owner History
E. I. DU PONT DE NEMOURS AND COMPANY
Classifications
31 CONTROLLED SURFACE POROSITY PARTICLES FOR USE AS SUPPORT MATERIAL FOR CHROMATOGRAPHIC COLUMNS
Trademark Events
Nov 4, 1992
Expired Sec. 9
Oct 25, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.
Aug 1, 1977
Registered - Sec. 15 Acknowledged
ZIPAX
CHANNEL-HOOD
Trademark Alertz updated from USPTO on 2030-01-24

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