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EH

○ Dead · Expired

U.S. federal trademark · Serial No. 72322572 · Reg. No. 0914976

Mark
EH
Status
Expired
Serial Number
72322572
Registration No.
0914976
Filing Date
March 24, 1969
Registration Date
June 15, 1971
Class(es)
Class 009

Owner

E-H RESEARCH LABORATORIES, INC.
03 · OAKLAND, CA, US

Goods & Services

ELECTRONIC MEASURING (OR TESTING) DEVICES-NAMELY, PULSE GENERATORS, MARKER GENERATORS, TUNNEL DIODE PULSERS, RISE-TIME STANDARDS, PULSE TRANSFORMERS, RISE-TIME INTEGRATORS, SINGLE PULSE TRIGGERS, WORD GENERATORS, CURRENT SOURCES, TIMING UNITS; PULSE DRIVERS; MEMORY TEST SYSTEMS COMPRISING WORD GENERATORS, TIMING UNITS, PULSE DRIVERS, CURRENT SOURCES; VOLTMETERS, POWER SUPPLIES AND DISCRIMINATORS AND USED IN VARIOUS COMBINATIONS FOR TESTING PURPOSES; SWITCHING TIME TEST SYSTEMS FOR AUTOMATIC TESTING OF TRANSISTOR DIODES; DELAY LINES; SEMICONDUCTOR AND DYNAMIC TEST SYSTEMS FOR TESTING INTEGRATED CIRCUITS (BIPOLAR MOS, LST) TRANSISTOR DIODES AND OTHER PULSE AND LOGIC ELEMENTS-NAMELY, TIMING UNITS, PULSE DRIVERS CONTROL UNITS, AND RACK ASSEMBLY; STROBING VOLTMENTERS; ANALOG TO DIGITAL RECORDS-GENERATORS; DIGITAL/ANALOG CONVERTERS; AND MICROWAVE SWEPT OSCILLATORS AND TRANSISTOR MOUNTS FOR MEASUREMENT OF TRANSISTOR SWITCHING TIMES

TAP-OFFS; ATTENUATORS; D.C. RESTORERS; AND MICROWAVE AMPLIFIERS

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.