USPTO serial 71575423
MUD-EX
Reviewed by CopyMark Law Group
Reg. 0568990Status 900
- Filing date
- Status date
- Registration date
- Jan 13, 1953
- 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 |
|---|---|---|---|
| 052 | CHEMICAL REAGENT FOR CLEANING AND FOR REMOVING FROM A WELL OR FROM AN OIL-OR GAS-BEARING FORMATION IN A WELL MUD-LIKE SHEATHING OR COATING ON THE WELL WALL RESULTING FROM THE USE OF DRILLING FLUIDS IN THE DRILLING OPERATION, OR RESULTING FROM THE PRESENCE IN THE WELL, AT SOME OTHER TIME, OF FLUIDS CAPABLE OF PRODUCING SUCH SHEATHING OR COATING AND FOR PENETRATING THE FORMATION TO FACILITATE THE RETURN OF WATER TO THE HOLE WHETHER DERIVED FROM DRILLING MUD, COGNATE WATERS, OR ANY OTHER SOURCE | 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 |
|---|---|---|---|
| Oct 18, 1993 | EXRG | EXPIRED SEC. 9 | — |
| Jan 13, 1973 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |