USPTO serial 72283814
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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 |
|---|---|---|---|
| 026 | VISCOMETERS FOR MEASURING VISCOSITY, RECORDERS AND INDICATORS RESPONSIVE TO ELECTRICAL SIGNALS FROM VISCOMETERS FOR RECORDING AND INDICATING MEASURED VISCOSITY AND TEMPERATURE AND FOR ACTUATING SIGNAL LIGHTS OR ALARMS, AND ELECTRIC CONTROLS FOR CONTROLLING THE OPERATING FREQUENCY OF THE VISCOMETERS AND RESPONSIVE TO ELECTRICAL SIGNALS FROM RECORDERS AND INDICATORS TO ELECTRICALLY OR PNEUMATICALLY ACTUATE VALVES AND SWITCHES TO CONTROL VISCOSITY, AND COMPONENTS THEREOF | EXPIRED | Jun 16, 1964 |
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 |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |