USPTO serial 71489653
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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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PHILADELPHIA, PA
SAN FRANCISCO, CA
| Class | Description | Status | First use |
|---|---|---|---|
| 023 | SCREW CONVEYOR UNIT COMPRISING A HOUSING AND HOLLOW HELICAL SCREW THROUGH WHICH A COOLING LIQUID MAY BE PASSED THEREBY COOLING A HEATED MASS BEING MOVED THROUGH THE HOUSING BY THE SCREW | EXPIRED | Aug 1, 1941 |
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 20, 2006 | CAEX | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 | — |
| May 25, 2005 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Aug 14, 1985 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | — |
| Aug 8, 1985 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |
| Jan 11, 1955 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |