USPTO serial 72259314
SLUDGTROL
Reviewed by CopyMark Law Group
Reg. 0842281Status 900
- Filing date
- Status date
- Registration date
- Jan 16, 1968
- Examiner
- —
- Law office
- SCANNING ON DEMAND
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
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
MARY J. WALCH
MARY J WALCH, PATENT DEPT C/O W R GRACE & CO7379 RTE 32COLUMBUS, MD 21044UNITED STATESGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 006 | BOILER COMPOUND USED TO PREVENT SLUDGE AND CORROSION IN STEAM GENERATING EQUIPMENT | EXPIRED | Sep 21, 1966 |
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 |
|---|---|---|---|
| Nov 4, 2008 | CFIT | CASE FILE IN TICRS | — |
| Oct 17, 2008 | CAEX | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 | — |
| Jan 16, 1988 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |
| Jul 22, 1987 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |