USPTO serial 71388891
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 |
|---|---|---|---|
| 026 | ASSEMBLED COMBINATION OF AN AIR PILOT VALVE WITH SENSITIVITY AND STANDARDIZATION ADJUSTMENTS FOR USE IN METERING AND CONTROLLING DEVICES | EXPIRED | Feb 3, 1937 |
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 |
|---|---|---|---|
| May 25, 1998 | EXRG | EXPIRED SEC. 9 | — |
| Aug 17, 1977 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | — |