Drawing for SIGMA

USPTO serial 72153221

SIGMA

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Reg. 0788972Status 900
Filing date
Status date
Registration date
May 4, 1965
Examiner
Law office
FILE REPOSITORY (FRANCONIA)

What this means

This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.

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Owner

Goods and services

ClassDescriptionStatusFirst use
021ELECTROMECHANICAL 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 ]EXPIRED
026ELECTRICAL TESTING AND MEASURING EQUIPMENT-NAMELY, ELECTRICAL AND MAGNETIC PICK-CK-UP EQUIPMENT FOR TESTING POWER LINES, INDICATING ELECTRICAL COUNTERS, ] RELAY TEST SETS, [ AUTOMATIC TEMPERATURE CONTROLLERS AND INDICATING AND MEASURING SYSTEMS FOR POWER LINES ]EXPIRED

Related trademarks

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Prosecution history

DateCodeEventWhat it means
Feb 11, 2006CAEXCANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
Aug 5, 1985REN1REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
May 4, 19859.AFREGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8

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