USPTO serial 72352898
Reviewed by CopyMark Law Group
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 |
|---|---|---|---|
| 026 | DENSITOMETERS; ELECTROPHORETIC SEPARATORS AND ANALYSIS INSTRUMENTS; MICROSCOPES; PARTICLE MEASURING AND COUNTING INSTRUMENTS; CONCENTRATORS OF PARTICULATE MATTER; CONTAMINATION MONITORING INSTRUMENTS; EQUIPMENT EMPLOYING FILTERS FOR FILTERING, ANALYZING, SAMPLING, MONITORING AND SEPARATING CONSTITUENTS IN FLUIDS; AND EQUIPMENT EMPLOYING FILTERS FOR STERILIZING, CLEANING, AND CONTROLLING FLUIDS | EXPIRED | — |
| 031 | FILTERING APPARATUS-NAMELY, FILTERS, PREFILTERS, CARTRIDGE FILTERS AND ULTRAFILTRATION MEMBRANES | EXPIRED | Sep 18, 1969 |
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 14, 1994 | EXRG | EXPIRED SEC. 9 | — |
| Jun 25, 1979 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |