Trademark Overview
On Thursday, August 22, 1957, a trademark application was filed for DIA-PUMP with the United States Patent and Trademark Office. The USPTO has given the DIA-PUMP trademark a serial number of 72035963. The federal status of this trademark filing is EXPIRED as of Monday, February 22, 1999. This trademark is owned by AIR-SHIELDS, INC.. The DIA-PUMP trademark is filed in the Medical Instrument Products category with the following description:
COMPRESSOR-ASPIRATOR UNITS FOR IMPOSING POSITIVE AND NEGATIVE PRESSURES UPON GASEOUS MEDIA, PARTICULARLY USEFUL IN ASSOCIATION WITH HOSPITAL EQUIPMENT