KEM-ZONE Trademark
Serial Number: 72139663 • Registration: 0749982
KEM-ZONE is a trademark filed by
OILSTATE, INC.
on March 12, 1962. The trademark is classified under Class 1 (Chemicals).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
March 12, 1962
Registration Date
May 28, 1963
First Use Anywhere
January 8, 1961
First Use in Commerce
May 3, 1961
Goods & Services
CHEMICAL FOR USE IN OIL WELL DRILLING FLUIDS TO UNBLOCK PRODUCING ZONES INVADED BY DRILLING MUD FILTRATE
Filing History
EXPIRED SEC. 9
Oct 19, 1987 EXRG
