USPTO serial 72306627
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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 |
|---|---|---|---|
| 006 | CHEMICALS EMPLOYED IN CONNECTION WITH THE MANUFACTURE OF PRINTED CIRCUIT BOARDS-NAMELY, MATERIALS FOR STRIPPING PHOTORESIST LAYERS FROM SAID BOARDS AND MATERIALS FOR BRIGHTENING A SOLDER BY REMOVING OXIDES AND ELECTROLESS TIN SOLUTIONS | EXPIRED | Feb 20, 1968 |
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 |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |