Drawing for Serial No. 72297600

USPTO serial 72297600

Serial No. 72297600

Reviewed by CopyMark Law Group

Reg. 0997481Status 900
Filing date
Status date
Registration date
Nov 5, 1974
Examiner
—
Law office
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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
021SIGNAL PHASE COMPARISON UNITS WHICH PRODUCE AN OUTPUT SIGNAL PROPORTIONAL TO THE PHASE DIFFERENCE BETWEEN A RECEIVED AND A REFERENCE SIGNAL; DEMODULATORS; INERTIAL SWITCHES; POWER INVERTERS; POWER SUPPLIES; PRINTED CIRCUIT CABLES, HEATER UNITS, MULTILAYER AND FLEXIBLE UNITS; INFORMATION DISPLAY SYSTEMS WHEREBY ALPHANUMERICS AND SYMBOLS ARE PRESENTED ON A CRT DISPLAY SCREEN; SERVO AMPLIFIERS; LIGHT SENSING SYSTEMS FOR EDITING AND CONTROLLING ELECTRONIC DISPLAYS; ELECTRONIC FORCE MOTORS; FLOW SWITCHES; SERVO ACTUATORS; AND MICROWAVE COMPONENTS-NAMELY, FREQUENCY SOURCES AND MULTIPLIER UNITS, MODULATOR UNITS, OSCILLATOR UNITS, SIGNAL SWITCH UNITS, SWITCH CONTROL CIRCUITS AND DRIVERS, SIGNAL DETECTOR UNITS, POWER DIVIDER UNITS, ATTENUATORS, FILTER UNITS, MIXER UNITS, PHASE SHIFTERS, HYBRID DEVICES, CIRCULATORS, OSCILLATORS, ROTARY JOINTS, TRANSMISSION LINES, AND MICROWAVE MODULESEXPIREDMay 31, 1967

Related trademarks

CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.

Prosecution history

DateCodeEventWhat it means
Aug 14, 1995EXRGEXPIRED SEC. 9—
Nov 24, 1980C15AREGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.—

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