USPTO serial 72197353
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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 |
|---|---|---|---|
| 023 | CAR RETARDERS INSTALLED IN A RAILROAD CLASSIFICATION YARD OR THE LIKE FOR APPLYING BRAKING FORCES TO THE WHEELS OF A RAILROAD CAR | EXPIRED | Feb 24, 1964 |
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 |
|---|---|---|---|
| Apr 4, 1986 | EXRG | EXPIRED SEC. 9 | — |
| Mar 18, 1986 | PRAM | POST REGISTRATION ACTION MAILED - SEC. 7 | — |