Trademark Overview
On Monday, May 22, 1978, a trademark application was filed for PSB with the United States Patent and Trademark Office. The USPTO has given the PSB trademark a serial number of 73171230. The federal status of this trademark filing is CANCELLED - SECTION 8 as of Friday, September 19, 1986. The PSB trademark is filed in the Education & Entertainment Services category with the following description:
PLANNING AND CONDUCTING TRAINING SEMINARS FOR OTHERS INCLUDING THE PROVISION OF THE SPEAKERS THEREFOR