USPTO serial 71224171
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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No owner is listed on this record.
| Class | Description | Status | First use |
|---|---|---|---|
| 034 | CANVAS TUBING WHICH IS PRINCIPALLY USED FOR VENTILATING PURPOSES IN MINES | EXPIRED | Apr 25, 1921 |
CopyMark links this record to cited ยง2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Dec 29, 1988 | EXRG | EXPIRED SEC. 9 | โ |
| May 4, 1966 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | โ |