Trademark Overview
On Thursday, September 30, 1954, a trademark application was filed for SOS with the United States Patent and Trademark Office. The USPTO has given the SOS trademark a serial number of 71674056. The federal status of this trademark filing is EXPIRED as of Monday, November 11, 1996. This trademark is owned by DOWELL INCORPORATED. The SOS trademark is filed in the Construction & Repair Services category with the following description:
WELL TREATING SERVICE-NAMELY, INJECTING NON-AQUEOUS LIQUID CEMENT COMPOSITION INTO SUB-SURFACE STRATA TO CONTROL UNDESIRED WATER