Trademark Overview
On Thursday, September 2, 1999, a trademark application was filed for DIAMOND BLOCK with the United States Patent and Trademark Office. The USPTO has given the DIAMOND BLOCK trademark a serial number of 75791917. The federal status of this trademark filing is ABANDONED - FAILURE TO RESPOND OR LATE RESPONSE as of Saturday, January 13, 2001. This trademark is owned by Omnipure Filter Co., Inc. The DIAMOND BLOCK trademark is filed in the Environmental Control Instrument Products category with the following description:
Drinking water and beverage carbon block filters for commercial and residential use