USPTO serial 71617743
VARKON
Reviewed by CopyMark Law Group
Reg. 0570243Status 900
- Filing date
- Status date
- Registration date
- Feb 10, 1953
- Examiner
- —
- Law office
- FILE REPOSITORY (FRANCONIA)
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 |
|---|---|---|---|
| 006 | MIXTURE OF WATER-SOLUBLE ALKALINE SALTS CAPABLE OF FORMING SOLUBLE NON-IONIC COMPLEXES WITH POLYVALENT METALLIC IONS SO THAT THESE COMPLEX IONS CAN NO LONGER BE PRECIPITATED OUT OF SOLUTION | EXPIRED | Jun 20, 1951 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 15, 1993 | EXRG | EXPIRED SEC. 9 | — |
| Feb 10, 1973 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |