USPTO serial 72398735
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 |
|---|---|---|---|
| 013 | COMPOSITE TUBING BUNDLES HAVING ONE OR MORE SAMPLING LINES AND ONE OR MORE HEATING ELEMENTS OR LINES DISPOSED IN HEAT TRANSFER RELATION WITH THE SAMPLING LINE OR LINES, AND ALL BEING ENCASED OR HOUSED IN AN INSULATING AND PROTECTIVE SHEATH FOR TRANSMISSION OF FLUIDS IN TRACE LINE SAMPLING OR THE LIKE | EXPIRED | Apr 23, 1971 |
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 |
|---|---|---|---|
| Aug 9, 1993 | EXRG | EXPIRED SEC. 9 | — |
| Apr 16, 1979 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |