![](/us.svg)
Trademark: 72043560
Status Date
Saturday, January 20, 2001
Registration Number
0690719
Registration Date
Tuesday, January 5, 1960
Filing Date
Tuesday, January 7, 1958
Cancellation Date
Saturday, January 20, 2001
1 DRY MIXTURE OF GROUND SEMI-COLLOIDAL CLAY, HIGHLY COLLOIDAL CLAY, AND SODA ASH FOR USE IN DRILLING MUD
Jan 20, 2001
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Jan 5, 1980
Registered And Renewed (First Renewal - 20 Yrs)
Trademark Alertz updated from USPTO on 2030-01-24