Trademark Overview
On Thursday, May 27, 1971, a trademark application was filed for PSRI with the United States Patent and Trademark Office. The USPTO has given the PSRI trademark a serial number of 72393346. The federal status of this trademark filing is EXPIRED as of Tuesday, May 4, 1993. This trademark is owned by PARTICULATE SOLID RESEARCH, INC.. The PSRI trademark is filed in the Computer & Software Services & Scientific Services category with the following description:
RESEARCH, DESIGN AND DEVELOPMENT SERVIIES IN PETROLEUM, CHEMICAL, FERTILIZER AND METALLURGICAL FIELDS