Trademark Overview
On Friday, November 22, 1963, a trademark application was filed for HYDROVACUUM with the United States Patent and Trademark Office. The USPTO has given the HYDROVACUUM trademark a serial number of 72181736. The federal status of this trademark filing is EXPIRED as of Sunday, October 21, 1984. This trademark is owned by ALLEN-SHERMAN-HOFF COMPANY, THE. The HYDROVACUUM trademark is filed in the Environmental Control Instrument Products category with the following description:
ASH-HANDLING SYSTEM USING AN ASH PUMP