Trademark Overview
On Thursday, June 14, 1962, a trademark application was filed for LOCK SEAL with the United States Patent and Trademark Office. The USPTO has given the LOCK SEAL trademark a serial number of 72146864. The federal status of this trademark filing is EXPIRED as of Sunday, November 6, 1983. This trademark is owned by ADELTA MANUFACTURING CO. INC.. The LOCK SEAL trademark is filed in the Environmental Control Instrument Products category with the following description:
TAKEOFF CONNECTIONS FOR SHEET METAL DUCTS