SIGMA - Trademark Information

The SIGMA trademark was assigned a Serial Number #72153221 – by the United States Patent and Trademark Office (USPTO). Trademark Serial Number is a unique ID to identify the SIGMA mark in USPTO. The SIGMA mark is filed in the category of Electronic Machines. The legal correspondent for SIGMA trademark is TOREN, MCGEADY AND STANGER, SIDLEY AUSTIN BROWN & WOOD LLP, 875 3RD AVE 24TH FL, NEW YORK, NEW YORK UNITED STATES 10022 Domestic Representative - Not Found Prosecution History Date Description Proceeding Number Feb. 11, 2006 CANCELLED SE . The current status of the SIGMA filing is This registration was not renewed and therefore has expired..

Based on SIGMA INSTRUMENTS, INC., the SIGMA trademark is used in the following business: ELECTROMECHANICAL RELAYS, REED RELAYS, ELECTROMECHANICAL MAGNETICALLY LATCHING RELAYS, [ ACOUSTICAL SWITCHES, ] STEPPING MOTORS, STEPPING MOTOR DRIVES, [ STEPPING MOTOR SWITCH COMBINATIONS, ] MAGNETIC AMPLIFIERS, PHOTO RELAYS, LIGHT SOURCES FOR PHOTO RELAYS, [ TRANSISTOR AMPLIFIERS, ] SERVO-MECHANISMS, [ TRANSFORMERS AND RECTIFIERS ASSEMBLIES ].

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