USPTO serial 71647657
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 |
|---|---|---|---|
| 006 | PRESERVED MICRO-ORGANISMS AND THEIR ENZYME SYSTEMS FOR USE IN AEROBIC AND ANAEROBIC TREATMENT OF SEWAGE AND INDUSTRIAL WASTES | 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 |
|---|---|---|---|
| Dec 5, 1994 | EXRG | EXPIRED SEC. 9 | — |
| Mar 2, 1974 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |