AO - Trademark Information

The AO trademark was assigned a Serial Number #71524850 – by the United States Patent and Trademark Office (USPTO). Trademark Serial Number is a unique ID to identify the AO mark in USPTO. The AO mark is filed in the category of Electronic Machines. The legal correspondent for AO trademark is ?, Domestic Representative - Not Found Prosecution History Date Description Proceeding Number Nov. 01, 1993 EXPIRED SEC. 9 Jan. 27, 1973 REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) M . The current status of the AO filing is This registration was not renewed and therefore has expired..

Based on AMERICAN OPTICAL COMPANY, the AO trademark is used in the following business: 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 PROTECTING THE EYES; LENSES AND TRANSPARENT PLATES FOR WELDING HELMETS AND SHIELDS; LENS CENTERING INSTRUEMNTS; AND, GROUP C: INSTRUMENTS FOR PHOTOGRAPHING EYE MOVEMENT.

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