A/B SF - Trademark Information

The A/B SF trademark was assigned a Serial Number #71267823 – by the United States Patent and Trademark Office (USPTO). Trademark Serial Number is a unique ID to identify the A/B SF mark in USPTO. The A/B SF mark is filed in the category of Environmental Apparatus. The legal correspondent for A/B SF trademark is ?, Domestic Representative - Not Found Prosecution History Date Description Proceeding Number Nov. 03, 1992 EXPIRED SEC. 9 Oct. 29, 1969 REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) . The current status of the A/B SF filing is This registration was not renewed and therefore has expired..

Based on AKTIEBOLAGET SLVENSKA FLAKTFABRIKEN, the A/B SF trademark is used in the following business: CENTRIFUGAL FANS AND PROPELLER FANS FOR HEATING AND VENTILATING PURPOSES AND FOR EXHAUSTING SMOKE AND FUMES AND PROVIDING FORCED AND INDUCED DRAFT FOR FURNACES, AIR HEATERS OF THE RADIATOR TYPE UTILIZING STEAM OR HOT WATER FOR HEATING AIR FOR VENTILATING AND INDUSTRIAL PURPOSES, UNIT HEATERS UTILIZING STEAM OR HOT WATER AND COMPRISING BLOWERS AND AIR HEATERS OF THE RADIATOR TYPE FOR HEATING AIR AND VENTILATING PURPOSES, HEAT EXCHANGERS UTILIZING HOT AIR OR HOT EXHAUST GASES FOR HEATING GAS AND AIR, AIR-HUMIDIFYING APPARATUS FOR INCREASING THE HUMIDITY OF THE AIR FOR INDUSTRIAL PURPOSES AS IN WEAVING AND SPINNING MILLS, AND AIR FILTERS OF THE CENTRIFUGAL OR FAN TYPE, THE SCREEN OR SIEVE TYPE, AND OF THE BAFFLE TYPE FOR REMOVING IMPURITIES FROM THE AIR.

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