USPTO serial 72121450
CENTRI-FLO
Reviewed by CopyMark Law Group
Reg. 0728501Status 900
- Filing date
- Status date
- Registration date
- Mar 13, 1962
- 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 |
|---|---|---|---|
| 023 | CENTRALIZERS FOR OIL WELL CASING AND TUBING | EXPIRED | Apr 20, 1960 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Dec 11, 1987 | EXRG | EXPIRED SEC. 9 | — |