USPTO serial 71506296
DURCO
Reviewed by CopyMark Law Group
Reg. 0431640Status 900
- Filing date
- Status date
- Registration date
- Jul 29, 1947
- 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 |
|---|---|---|---|
| 002 | FACTORY EQUIPMENT FOR HANDLING CORROSIVE LIQUIDS-NAMELY, MIXING TANKS, STORAGE VESSELS AND TANKS, REACTION TANKS, CRYSTALLIZING TANKS, KETTLES FOR STORING CORROSIVE LIQUIDS, KETTLES FOR TREATING CORROSIVE LIQUIDS, AND PARTS THEREOF | EXPIRED | — |
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 |
|---|---|---|---|
| Dec 13, 1988 | EXRG | EXPIRED SEC. 9 | — |
| Jul 29, 1967 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |