USPTO serial 72274590
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 | CRYOGENIC APPLIANCES AND PARTS THEREOF AND INSTRUMENTS AND ACCESSORIES FOR USE THEREWITH-NAMELY, CRYOGENIC DEWARS, CRYOSTATS, LIQUID LEVELCONTROLLERS FOR CRYOGENIC FLUIDS, CRYOGENIC FLUID TEMPERATURE SENSING, MEASURING AND FLOW CONTROLLING INSTRUMENTS FOR SENSING THE TEMPERATURE OF AND CONTROLLING THE FLOW OF CRYOGENIC FLUIDS, AND INSULATED CRYOGENIC CONDUITS AND PLUMBING FIXTURES | EXPIRED | Sep 1, 1966 |
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 |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |