USPTO serial 71571078
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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 |
|---|---|---|---|
| 006 | COMPOSITION CONSISTING OF A CAUSTIC ALKALI OF THE GROUP CONSISTING OF SODIUM, POTASSIUM OR CALCIUM HYDROXIDE, CONTAINING A SUBSTANTIAL BUT MINOR PROPORTION OF AN OXIDIZING AGENT OF THE GROUP CONSISTING OF THE ALKALI METAL AND ALKALINE EARTH CHLORATES, PEROXIDES, NITRATES, DICHROMATES, MANGANATES, AND PERMANGANATES, USED IN THE FORM OF A FUSED BATH, FOR MODIFYING THE CHARACTER OF DENSE FIRMLY ADHERENT OXIDE ON THE SURFACE OF METALS PREPARATORY TO REMOVAL THEREOF BY A DIP INTO A BATH OF DILUTE INORGANIC ACID | EXPIRED | Aug 14, 1947 |
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 | — |
| Mar 28, 1970 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |