USPTO serial 71665620
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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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LOS ANGELES 45, CA
| Class | Description | Status | First use |
|---|---|---|---|
| 031 | CHEMICAL CARTRIDGE TYPE INDUSTRIAL RESPIRATORS FOR PREVENTING DELETERIOUS GASES IN THE AIR FROM BEING BREATHED BY THE WEARER AND REPLACEMENT CARTRIDGES FOR USE IN SUCH RESPIRATORS | EXPIRED | — |
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 |
|---|---|---|---|
| Apr 2, 1996 | EXRG | EXPIRED SEC. 9 | — |
| Jun 28, 1975 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |