USPTO serial 72187304
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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| Class | Description | Status | First use |
|---|---|---|---|
| 021 | ELECTRICAL TUBES-NAMELY, MAGNETRONS, TRAVELING WAVE TUBES AND BACKWARD WAVE OSCILLATORS; SEMICONDUCTOR DEVICES; WAVEGUIDE AND TRANSMISSION LINE COMPONENTS-NAMELY, MICROWAVE PRESSURE WINDOWS, TRANSITIONS BETWEEN WAVEGUIDE AND WAVEGUIDE, BETWEEN WAVEGUIDE AND COAXIAL LINE, AND BETWEEN COAXIAL LINE AND STRIP-TRANSMISSION LINE, ROTARY AND MOTIONAL JOINTS IN WAVEGUIDE, HYBRID JUNCTION IN TRANSMISSION LINES; ANTENNA COMPONENTS; MICROWAVE FERRITE DEVICES-NAMELY, CIRCULATORS, ISOLATORS, FILTERS AND PHASE SHIFTERS; MICROWAVE DUPLEXERS AND DIPLEXERS; SWITCHES; POWER DIVIDERS; MICROWAVE SOLID STATE TRANSMITTERS AND RECEIVERS; SOLID STATE POWER SUPPLIES; OSCILLATORS; MULTIPLEXERS; FREQUENCY MULTIPLIERS; MODULATORS AND MIXERS; AND LIMITERS | EXPIRED | Jun 15, 1956 |
| 026 | DETECTION AND POWER MEASURING INSTRUMENTS FOR MICROWAVE ELECTROMAGNETIC WAVE ENERGY-NAMELY, CRYSTAL MOUNTS, BOLOMETERS AND BOLOMETER MOUNTS, WATER LOAD CALORIMETERS, WATER LOAD CALIBRATORS, HIGH POWER WATER LOADS, HARMONIC GENERATORS, HARMONIC GENERATORS AND MIXERS, MICROWAVE REFRACTORS, AND TEST BENCHES; FREQUENCY MEASUREMENT INSTRUMENTS-NAMELY, FREQUENCY METERS AND FILTER CAVITIES; FIXED, VARIABLE AND CALIBRATED ATTENUATORS; TERMINATIONS; AMPLIFIERS; DUMMY LOADS; TUNERS; STANDING WAVE DETECTORS; ADJUSTABLE AND PRECISION ADJUSTABLE WAVEGUIDE SHORTS; ECHO BOXES; AND RELATED PARTS, COMPONENTS AND ACCESSORIES | EXPIRED | Jun 15, 1956 |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Mar 25, 2006 | CAEX | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 | — |
| Nov 18, 2004 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jun 24, 1985 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |
| Jun 24, 1985 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |