USPTO serial 71319770
TANG
Reviewed by CopyMark Law Group
Reg. 0293827Status 900
- Filing date
- Status date
- Registration date
- May 10, 1932
- Examiner
- —
- Law office
- —
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
No owner is listed on this record.
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 006 | CHEMICALS USED FOR THE PREVENTION OF RUST AND CORROSION OF METALS IN CONTACT WITH WATER; FOR THE PREVENTION AND REMOVAL OF INCRUASTATIONS AND DEPOSITS IN WATER LINES, HEATERS, PRE-HEATERS, STEAM BOILERS, PUMPS, ENGINE JACKETS, CONDENSERS, EVAPORATORS, RADIATORS; FOR INHIBITING THE EMBRITTLEMENT OF METAL IN BOILERS, CONCENTRATORS, AND THE LIKE; AND FOR INCREASING THE YIELD OF OIL IN WATER FLOODING PROCESSES BY TREATMENT OF THE WATER USED THEREIN. | EXPIRED | Jun 10, 1930 |
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 |
|---|---|---|---|
| Feb 25, 1986 | EXRG | EXPIRED SEC. 9 | — |