Trademark: 71692212
Word
DIACEL
Status
Dead
Status Code
900
Status Date
Tuesday, May 12, 1998
Serial Number
71692212
Registration Number
0649527
Registration Date
Tuesday, August 6, 1957
Mark Type
5000
Filing Date
Monday, August 1, 1955
Trademark Owner History
PHILLIPS PETROLEUM COMPANY - 1st New Owner Entered After Registration
DRILLING SPECIALTIES COMPANY - Original Registrant
Classifications
12 OIL WELL CEMENT AND ADDITIVES THEREFOR INCLUDING SODIUM SILICATE, DIATOMACEOUS EARTH, AND CARBOXYMETHYL HYDROXYETHYL CELLULOSE
Trademark Events
May 12, 1998
Expired Sec. 9
Aug 6, 1977
Registered And Renewed (First Renewal - 20 Yrs)
DEEPTONE
EB
Trademark Alertz updated from USPTO on 2030-01-24

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