OBI Trademark
Serial Number: 72127133 • Registration: 0736980
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
September 1, 1961
Registration Date
September 4, 1962
First Use Anywhere
June 1, 1949
First Use in Commerce
June 1, 1949
Goods & Services
WELL DRILLING FLUIDS, ACIDIZING FLUIDS, PERFORATION FLUIDS, PACKER FLUIDS, OIL WELL PILL FLUIDS, FRACTURING FLUIDS, AND CHEMICAL ADDITIVES FOR EMULSIFYING, AND CONTROLLING VISCOSITY, GEL STRENGTH AND PLASTERING PROPERTIES THEREOF