USPTO serial 72235405
IMCO
Reviewed by CopyMark Law Group
Reg. 0825935Status 900
- Filing date
- Status date
- Registration date
- Mar 21, 1967
- 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
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | ADDITIVES FOR WELL DRILLING FLUIDS IN THE NATURE OF CLAY, WEIGHTING MATERIALS, LOST CIRCULATION CONTROL MATERIALS, AND THE LIKE | 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 |
|---|---|---|---|
| Jun 21, 1987 | EXRG | EXPIRED SEC. 9 | — |