USPTO serial 71412943
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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 |
|---|---|---|---|
| 023 | LIQUID HEAT EXCHANGERS OF THE TYPE COMPRISING A PLURALITY OF HEAT TRANSFER ELEMENTS MOVABLY MOUNTED IN JUXTAPOSED RELATION IN A SUPPORTING FRAME | EXPIRED | Nov 12, 1936 |
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 |
|---|---|---|---|
| Mar 26, 2004 | PAPER RECEIVED | — | |
| Mar 22, 2004 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Dec 29, 2000 | CAEX | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 | — |
| Jul 4, 1979 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | — |