USPTO serial 71605934
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 |
|---|---|---|---|
| 023 | APPARATUS IN THE NATURE OF A PLANT FOR THE TREATMENT OF HYDROCARBONS, SAID APPARATUS COMPRISING HEATING ZONE, REACTION ZONE, FRACTIONATOR, DISTILLATE CONDENSER AND RECEIVER RECEPTACLE, FITTED WITH PUMPS, SUITABLE FITTINGS, VALVES AND CONDUITS THEREFOR, IN WHICH APPARATUS IS USED A SOLID CATALYST CONTAINING A MEMBER OF THE PLATINUM GROUP | EXPIRED | Aug 17, 1949 |
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 |
|---|---|---|---|
| Jan 23, 1995 | EXRG | EXPIRED SEC. 9 | — |
| Apr 20, 1974 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |