USPTO serial 72183073
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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 |
|---|---|---|---|
| 031 | VARIOUS FORMS OF MECHANICAL MACHINERY RELATED TO WATER CONDITIONING IN SANITARY AND POTABLE WATER FIELDS AND HEREINAFTER DESCRIBED AS VACUUM DIATOMACEOUS EARTH PACKAGE FILTER UNITS, PRESSURE DIATOMACEOUS EARTH PACKAGE FILTER UNITS, RAPID SAND FILTERS, INDUCED AND FORCED DRAFT AERATORS, FILTER BODY FEEDERS, PACKAGE WATER SOFTENERS, MANUFACTURED MECHANICAL-HYDRAULIC PRODUCTS RELATED TO THE MOVEMENT OR REMOVAL OF FOREIGN MATTER, MINERALS AND BACTERIA IN PUBLIC OR PRIVATE POTABLE WATER SUPPLIES, PUBLIC OR PRIVATE SWIMMING WATER SUPPLIES OR WHERE ANY WATER OF HIGH QUALITY IS REQUIRED | EXPIRED | Feb 15, 1948 |
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 |
|---|---|---|---|
| Feb 8, 1987 | EXRG | EXPIRED SEC. 9 | — |