USPTO serial 72322572
EH
Reviewed by CopyMark Law Group
Reg. 0914976Status 900
- Filing date
- Status date
- Registration date
- Jun 15, 1971
- Examiner
- —
- Law office
- FILE DESTROYED
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
| Class | Description | Status | First use |
|---|---|---|---|
| 021 | TAP-OFFS; ATTENUATORS; D.C. RESTORERS; AND MICROWAVE AMPLIFIERS | EXPIRED | — |
| 026 | 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 | EXPIRED | — |
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
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Jul 5, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |