Trademark Overview
On Wednesday, December 17, 1947, a trademark application was filed for EM with the United States Patent and Trademark Office. The USPTO has given the EM trademark a serial number of 71544556. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by ELECTRIC MACHINERY MFG. COMPANY. The EM trademark is filed in the Machinery Products and Computer & Software Products & Electrical & Scientific Products categories with the following description:
ELECTRICAL MACHINES AND APPARATUS-NAMELY, SYNCHRONOUS GENERATORS, SYNCHRONOUS MOTORS, DIRECT-CURRENT GENERATORS, INDUCTION MOTORS, VERTICAL HOLLOW-SHAFT SYNCHRONOUS MOTORS, DIRECT-CURRENT MOTORS, DUAL-VOLTAGE SYNCHRONOUS GENERATORS, SYNCHRONOUS CONDENSERS,AUTOMATIC SYNCHRONIZERS, VOLTAGE REGULATORS, FREQUENCY-RESPONSIVE SYNCHRONOUS-MOTOR CONTROLS, POLARIZED FIELD-FREQUENCY SYNCHRONOUS-MOTOR CONTROLS,PART-WINDING-STARTING MOTOR CONTROLS AUTOMATIC CONTROLS FOR INDUCTION MOTORS, SWITCH MAGNETS, OVERLOAD RELAYS, AUTO-TRANSFORMERS, CURRENT TRANSFORMERS, UNDERVOLTAGE RELEASE RELAYS, FIELD DISCHARGE RESISTORS, DISCONNECTING SWITCHES, CONTROL TRANSFORMERS, REACTORS, RHEOSTATS, MAGNETIC DRIVES, SLIP RING INDUCTION MOTORS, INCHING CONTROLS FOR ELECTRIC MOTORS, AND TWO SPEED INDUCTION MOTORS