Trademark Overview
On Tuesday, May 15, 1923, a trademark application was filed for DOUBLE HB DIAMOND with the United States Patent and Trademark Office. The USPTO has given the DOUBLE HB DIAMOND trademark a serial number of 71180663. The federal status of this trademark filing is EXPIRED as of Friday, January 10, 1986. This trademark is owned by HIERGESELL BROTHERS. The DOUBLE HB DIAMOND trademark is filed in the Computer & Software Products & Electrical & Scientific Products and Medical Instrument Products categories with the following description:
LABORATORY, CHEMICAL, AND SURGICAL GLASSWARE-NAMELY, THERMOMETERS, HYDROMETERS, THERMOHYDROMETERS, ACTINOMETERS, BARKOMETERS, GLUEOMETERS, LACTODENSIMETERS, LACTOMETERS, SACCHAROMETERS, SALINOMETERS, SALOMETERS, SPRAYOMETERS, TANNOMETERS, PYROMETERS, FLASH-POINT APPARATUS, CALORIMETERS, PIPETTES, BURETTES, GRADUATED CYLINDERS, FLASKS, AND BEAKERS, COMBUSTION TUBES, CENTRIFUGE TUBES, VISCOSITY CUPS, VACUUM FLASKS, GAS-ANALYSIS APPARATUS, MILK-ANALYSIS APPARATUS, PAINT-ANALYSIS APPARATUS, WATER-ANALYSIS APPARATUS, OIL-ANALYSIS APPARATUS, DISTILLATION APPARATUS, GLASS VESSELS OF ALL KINDS FOR VOLUMETRIC MEASUREMENTS AND CHEMICAL WORK