SIGMA

USPTO USPTO 1970 EXPIRED

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The US trademark SIGMA was filed as Word mark on 06/04/1970 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/18/1972. The current status of the mark is "EXPIRED".

Trademark Details Last update: April 12, 2018

Trademark form Word mark
File reference 72361760
Register number 938083
Application date June 4, 1970
Entry date July 18, 1972

Trademark owner

170 PEARL ST.
02185 BOSTON
US

goods and services

9 PROTECTIVE AND CONTROLLING SYSTEMS FOR POWER LINES-NAMELY, VOLTAGE SENSING CAPACITOR CONTROLS, CURRENT SENSING CAPACITOR CONTROLS, POWER FACTOR SENSING CAPACITOR CONTROLS, OVERCURRENT CONTROLS, MONITORING INSTRUMENTS FOR VOLTAGE CURRENT AND POWER FACTOR; MEASURING, INDICATING AND CONTROLLING INSTRUMENTS-NAMELY, CONTROL PYROMETERS, ELECTRONIC CONTROL METERS, ELECTRONIC SET-POINT CONTROLS, MULTIPOINT CONTROLLERS, DIGITAL METERS, WARNING FLAG MECHANISMS, MULTI-TESTER METERS, PANEL METERS, METER RELAYS AND DIGITAL CONTROL SYSTEMS

ID: 1372361760