USPTO serial 72281807
CHEM FLOW
Reviewed by CopyMark Law Group
Reg. 0872863Status 900
- Filing date
- Status date
- Registration date
- Jul 15, 1969
- Examiner
- —
- Law office
- FILE DESTROYED
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 013 | RELIEF VALVES, CHECK VALVES, REFLUX SPLITTERS, VACUUM BREAKERS, PIPING AND PIPE COUPLINGS FOR THE CONTROL OF LIQUIDS AND GASES IN CHEMICAL PROCESSING OPERATIONS | EXPIRED | Mar 10, 1959 |
| 023 | AGITATORS AND PUMPS FOR THE CIRCULATION, TRANSFER OR AGITATION OF LIQUIDS IN CHEMICAL PROCESSING OPERATIONS | EXPIRED | Mar 10, 1959 |
| 031 | FILTERING DEVICES DESIGNED PRIMARILY FOR THE FILTRATION OF CORROSIVE LIQUIDS AND GASES | EXPIRED | Mar 10, 1959 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |