USPTO serial 71488364
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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 | REMOTE-READING MICROMETERS; AN APPARATUS, CONSISTING OF A TANK GAUGER'S REEL AND TAPE WITH A METAL PLUMB BOB, AND A MILLIAMMETER IN THE CIRCUIT THROUGH THE PLUMB BOB AND TANK SO THAT THE MILLIAMMETER DEFLECTS WHEN THE PLUMB BOB PASSES THROUGH THE LINE OF DEMARCATION BETWEEN THE OIL AND THE WATER IN THE TANK, AND USED FOR INDICATING SAID LINE; AND SPECIFIC GRAVITY METERS | EXPIRED | Aug 22, 1938 |
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 |
|---|---|---|---|
| Apr 7, 1987 | EXRG | EXPIRED SEC. 9 | — |
| Mar 25, 1967 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |