USPTO serial 72018251
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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 |
|---|---|---|---|
| 100 | CONDUCTING RESEARCH AND DEVELOPMENT ON THE JET PROCESS TO THE ORDER OF AND FOR THE BENEFIT OF OTHERS AND EDUCATING AND TRAINING OIL INDUSTRY PERSONNEL RELATIVE TO JET PERFORATING OF OIL WELLS | EXPIRED | May 20, 1956 |
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 |
|---|---|---|---|
| Oct 5, 1998 | EXRG | EXPIRED SEC. 9 | — |
| Dec 31, 1977 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |