USPTO serial 72294833
Reviewed by CopyMark Law Group
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 | MANUALLY OPERATED MECHANICAL INSTRUMENT UTILIZING A MEASURING SCALE WITH VARIABLE LENGTH GRADUATIONS AND A NUMBER OF MATHEMATICALLY RELATED SCALES WITH FIXED GRADUATIONS AND A COMMON CURSOR, USED IN PERFORMING COMPUTATIONS DIRECTLY ON GRAPHS, CURVES AND RECORDINGS, ALSO USED IN READING, PLOTTING, AND INTERPRETING GRAPHICAL WORK-NAMELY, OSCILLOGRAMS AND TELEMETERING DATA; AND IN DIRECT MULTIPLICATION AND DIVISION OF GRAPHICAL FUNCTIONS, AND IN THE READING THEREOF | EXPIRED | — |
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 | — |