MUD-EX
Live / Registered — Expired (as of 18 Oct 1993)
What this means for you
Registered since 13 Jan 1953. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 13 Jan 1973).
Record
- Serial number
- 71575423
- Registration number
- 0568990
- Mark type
- Word mark
- Filed
- 14 Mar 1949
- Registered
- 13 Jan 1953
- Next maintenance due
- 13 Jan 1973
Goods and services
- Class 001 — Chemicals
- Class 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
Owner
- PETROLITE CORPORATION, LTD., ST. LOUIS, MO, US
Prosecution history
- 18 Oct 1993 — EXPIRED SEC. 9
- 13 Jan 1973 — REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)