USPTO serial 72297602
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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 |
|---|---|---|---|
| 023 | HYDRAULIC POWER SUPPLY UNITS WHICH CIRCULATE AND REGULATE THE FLOW OF FLUIDS IN A HYDRAULIC SYSTEM; AND HYDRAULIC SYSTEM; AND HYDRAULIC CONTROL SYSTEMS COMPRISED OF HYDRAULIC SERVO VALVES, SERVO ACTUATORS, AND OTHER CIRCUIT COMPONENTS WITH THE COMBINATION THEREOF PRODUCING A RESULTING FORCE, A FORCE THAT MAY INTERACT WITH AN INPUT OR REFERENCE FUNCTION | EXPIRED | Dec 27, 1967 |
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 4, 1992 | EXRG | EXPIRED SEC. 9 | — |