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GENERAL RADIO CO.
Dead/Expired
EXPIRED

on 03 Nov 1992

Last Applicant/ Owned by

275 MASSACHUSETTS AVENUE

CAMBRIDGE

MA

Serial Number

71533497 filed on 21st Aug 1947

Registration Number

525605 registered on 30th May 1950

in the Principal Register

Correspondent Address

Filing Basis

1. use application currently

Disclaimer

NO DATA

GENERAL RADIO CO.

STANDARD UNITS OF RESISTANCE, INDUCTANCE AND CAPACITANCE FOR USE IN ELECTRIC MEASURING CIRCUITS; ELECTRICAL BRIDGE CIRCUITS OF THE DECADE, SLIDE-WIRE, DISSIPATION-FACTOR, VACUUM-TUBE-CHARACTERISTIC, CAPACITANCE RESISTANCE AND INDUCTANCE TYPES AND ACCESSORY ELECTRIC CIRCUITS AND COMPONENTS REQUIRED FOR OPERATION WITH THE BRIDGE CIRCUITS; VOLTAGE METERS, OHMMETERS, d'ARSONVILLE METERS, GALVANOMETERS Read More

Classification Information


Class [021]
Houseware and Glass Products


ELERICAL APPARATUS-NAMELY, AUDIO AND RADIO GENERATORS, OSCILLATORS, DETECTOR ASSEMBLIES AND CIRCUITS, RECTIFIERS AND DIRECT AND ALTERNATING-CURRENT AMPLIFIERS; VOLTAGE, CURRENT AND ELECTRONIC POWER-SUPPLY SYSTEMS; VIBRATION PICK-UPS FOR GENERATING VOLTAGES IN RESPONSE TO MECHANICAL VIBRATIONS; AUDIO-FREQUENCY AND RADIO-FREQUENCY TRANSFORMERS; CONNECTORS, INSULATORS, BINDING POSTS, SWITCHES, CONTACTORS, CONTACT MEMBERS, KNOBS, SOCKETS, RHEOSTATS, POTENTIOMETERS FOR USE IN RADIO AND SIMILAR APPARATUS, RESISTORS, ATTENUATORS AND VOLTAGE DIVIDERS; CAPACITORS, INDUCTORS AND CHOKES; ELECTRIC AND ELECTRONIC CONTROL BOXES AND MOTOR-SPEED CONTROL CIRCUITS; RADIO AND OTHER DIALS FOR USE ON ELECTRICAL COMPONENTS AND INSTRUMENTS; ELECTRO-MECHANICAL HUMMER OSCILLATORS; PIEZOELECTRIC CRYSTALS; ELECTRIC FILTERS; ELECTRIC CABLES; CATHODE-RAY TUBES; TRANSMISSION-LINE PHASE, INSERTION AND TERMINAL UNITS; AND TUNED ELECTRIC CIRCUITS FOR SUPPRESSING HARMONICS AND OTHER FREQUENCY COMPONENTS, NOISE AND HUM.


First Use Date in General

31st Dec 1915

First Use Date in Commerce

31st Dec 1915

Class [026]
Lace, Ribbons & Embroidery and Fancy Goods


STANDARD UNITS OF RESISTANCE, INDUCTANCE AND CAPACITANCE FOR USE IN ELECTRIC MEASURING CIRCUITS; ELECTRICAL BRIDGE CIRCUITS OF THE DECADE, SLIDE-WIRE, DISSIPATION-FACTOR, VACUUM-TUBE-CHARACTERISTIC, CAPACITANCE RESISTANCE AND INDUCTANCE TYPES AND ACCESSORY ELECTRIC CIRCUITS AND COMPONENTS REQUIRED FOR OPERATION WITH THE BRIDGE CIRCUITS; VOLTAGE METERS, OHMMETERS, d'ARSONVILLE METERS, GALVANOMETERS, WAVEMETERS, METERS FOR MEASURING CAPACITY IMPEDANCE, MODULATION, SOUND - LEVEL, NOISE, VIBRATION, DISTORTION, RATE, AUDIBILITY, FREQUENCY AND POWER, AND METERS OF THE HOT-WIRE, HETERODYNE AND OTHER TYPES AND ACCESSORY ELECTRIC CIRCUITS AND COMPONENTS REQUIRED FOR OPERATION WITH THE METERS; ELECTRIC INTERPOLATION APPARATUS; INDUSTRIAL ELECTRONIC STROBOSCOPIC AND OTHER INSTRUMENTS-NAMELY, MOTION-PICTURE RECORDING APPARATUS AND FRAMES, CAMERAS, TRIPODS, INSTRUMENT - CARRYING CASES, LENSES AND ELECTRIC FLASH LAMPS; WAVE-FORM VIBRATION, AND SOUND MEASURING INSTRUMENTS AND ANALYZERS; CALIBRATION, VACUUM-TUBE AND OTHER PRECISION FORKS; VOLTAGE AND CURRENT MULTIPLIERS; SPECIAL MEASURING INSTRUMENTS FOR MAKING MEASUREMENTS AT AUDIO AND RADIO FREQUENCIES; MEASURING NETWORKS; STANDARD-SIGNAL GENERATORS AND OSCILLATORS; OSCILLOSCOPES, GAMMA-RAY AND BETA-RAY COUNTERS; FREQUENCY STANDARDS AND MONITORS; AND RANGE-EXTENSION UNITS.


First Use Date in General

30th Nov 1915

First Use Date in Commerce

30th Nov 1915

Mark Details


Serial Number

No 71533497

Mark Type

No Service/Collective Mark

Attorney Docket Number

No

44D Filed

No

44D Current

No

44E filed

No

44E Current

No

66A Filed

No

66A Current

No

Current Basis

No

No Basis

No

Legal History


Status DateAction Taken
03rd Nov 1992EXPIRED SEC. 9
30th May 1970REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)