USPTO serial 71531945
Serial No. 71531945
Reviewed by CopyMark Law Group
Reg. 0508426Status 900
- Filing date
- Status date
- Registration date
- Apr 12, 1949
- Examiner
- —
- Law office
- FILE DESTROYED
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Goods and services
| 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; SPECIFIC GRAVITY METERS, AND VOLUME MEASURING APPARATUS-NAMELY, AN ACOUSTIC RESONATOR FOR A CAVITY TO BE MEASURED AND ELECTRICAL APPARATUS FOR MEASURING THE RESULTING RESONANT GREQUENCY WHICH IS A MEASURE OF THE CAVITY VOLUME | EXPIRED | Nov 15, 1938 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Apr 12, 1969 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |