USPTO serial 72272329
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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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SAN FRANCISCO, CA
| Class | Description | Status | First use |
|---|---|---|---|
| 052 | SCALE SOLVENT FOR USE IN PLUMBING FIXTURES, STERILIZERS, COFFEE URNS, TILE WORK, BOILERS, WATER HEATERS, COOLING TOWERS, AND OTHER WATER BEARING EQUIPMENT | EXPIRED | Jul 8, 1959 |
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| Date | Code | Event | What it means |
|---|---|---|---|
| Aug 29, 2008 | CAEX | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 | — |
| Nov 28, 1987 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |
| Nov 2, 1987 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |