USPTO serial 72180803
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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 |
|---|---|---|---|
| 012 | FLUID-TIGHT COUPLINGS FOR ASBESTOS CEMENT PIPE WHICH PROVIDE FOR POSITIVE SEPARATION OF THE ENDS OF ADJACENT SECTIONS OF PIPE WHILE PERMITTING FLEXURE AT THE RESULTANT PIPE JOINT | EXPIRED | Apr 14, 1962 |
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 |
|---|---|---|---|
| Jun 16, 1985 | EXRG | EXPIRED SEC. 9 | — |