USPTO serial 71640408
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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 | CHEMICAL COMPOSITIONS HAVING ACTIVE COMPONENTS OF A NON-DETERGENT NATURE FOR REMOVING AND PREVENTING SCALE, RUST FORMATIONS, AND OTHER CORROSION IN WATER SYSTEMS, BOILERS, STEAM LINES, CONDENSERS, PASTEURIZERS, AND OTHER FLUID HANDLING AND HEAT TRANSFER SYSTEMS; AND COMPOSITIONS FOR DESTROYING AND PREVENTING ALGAE GROWTH IN WATER CIRCULATING AND COOLING SYSTEMS | EXPIRED | Apr 11, 1952 |
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 |
|---|---|---|---|
| Feb 6, 1995 | EXRG | EXPIRED SEC. 9 | — |
| May 4, 1974 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |