USPTO serial 72231554
Reviewed by CopyMark Law Group
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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PATRICK H. McCOLLUM
DIVISION IP COUNSEL, BAKER ATLAS BAKER HUGHES INCORPORATEDPO BOX 1407HOUSTON, TX 77251-1407UNITED STATES| Class | Description | Status | First use |
|---|---|---|---|
| 100 | WELL LOGGING SERVICE WHICH PROVIDES AN INDICATION OF THE RATE OF DECLINE OF DISCRETE THERMAL NEUTRON POPULATION IN A FORMATION SURROUNDING A BOREHOLE | EXPIRED | — |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Aug 8, 2008 | CAEX | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 | — |
| Jul 6, 2004 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Nov 7, 1987 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |
| Aug 17, 1987 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |