Trademark Overview
On Thursday, June 26, 1947, a trademark application was filed for AO with the United States Patent and Trademark Office. The USPTO has given the AO trademark a serial number of 71524850. The federal status of this trademark filing is EXPIRED as of Monday, November 1, 1993. This trademark is owned by AMERICAN OPTICAL COMPANY. The AO trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:
GROUP A: BALLISTIC SCIENTIFIC AND BALLISTIC LABORATORY APPARATUS; BIBLIOFILM PROJECTORS; SLIDE, FILM, AND OPAQUE PROJECTORS; OPTICAL INSTRUMENTS FOR EXAMINING AND COUNTING PARTICLES IN BLOOD, URINE, MILK, AND MOLD: CAMERA LUCIDAS; COLORIMETER; OPTICAL PROJECTION PROFILE COMPARATORS; MICROSCOPE ILLUMINATORS; FINGER PRINT MAGNIFIERS; GONIOMETERS; HAEMACYTOMETERS; HEMOGLOBINOMETERS; MECHANICAL HARDNESS TESTERS; MECHANICAL AND OPTICAL MICROMETERS; MICROSCOPE TELESCOPE, CONDENSING, PHOTOGRAPHIC, AND PROJECTION LENSES; MICROTOMES; MICROTOME KNIVES; SPECTROMETERS; REFRACTOMETERS; MICROSCOPES; PHOTOMICROGRAPHIC APPARATUS AND LENSES; LIGHT POLARIZING APPARATUS; ROOF, PORRO, AMICI, HEAD, CONSTANT DEVIATION, AND SPECIAL BORE SIGHTING OPTICAL PRISMS; SPECTROMETERS; LABORATORY TISSUE FREEZERS; GROUP B: OPHTHALMIC ABSORPTIVE LENSES; OPHTHALMIC APHAKIC LENSES; LENSES FOR USE IN DETERMINING SIZE ERRORS OF THE EYES AND FOR THE CORRECTION OF SUCH SIZE ERRORS; HARDENED OPHTHALMIC LENSES LENSES FOR PROTEC...
