USPTO serial 72327954
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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 |
|---|---|---|---|
| 021 | SPECTRAL LINE EMITTING LAMPS, AND MORE PARTICULARLY HOLLOW CATHODE LAMPS USED AS SPECTRAL LINE SOURCES FOR OPTICAL SPECTROSCOPY | 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 |
|---|---|---|---|
| May 23, 2000 | 89AF | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | — |
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Feb 26, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |