USPTO serial 72413040
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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| Class | Description | Status | First use |
|---|---|---|---|
| 001 | OIL WELL DRILLING MUD AND OIL WELL DRILLING MUD ADDITIVES-NAMELY, GROUND BARYTES | EXPIRED | Mar 15, 1967 |
| 023 | OIL TOOL PRODUCTS-NAMELY, PACKERS AND PUMPS, CHOKES, DEGASSERS AND SEPARATORS, AND REPLACEMENT PARTS THEREFOR AND FOR EARTH BORING EQUIPMENT, NAMELY ROCK BITS AND DRILLING TOOLS, AND REPLACEMENT PARTS THEREFOR | EXPIRED | Feb 15, 1969 |
| 026 | WELL DRILLING DATA ACQUISITION AND MONITORING UNITS | EXPIRED | Feb 15, 1969 |
| 100 | SERVICES IN CONNECTION WITH OIL WELL DRILLING OPERATIONS-NAMELY, TECHNICAL ADVICE ON DRILLING MUDS AND DRILLING MUD USE, ADVICE ON DATA CONTROL, PRODUCTS CONTROL, AND PRESSURE CONTROL, ENGINEERING SERVICES IN CONNECTION WITH THE SELECTION AND USE OF SPECIALIZED EQUIPMENT FOR OIL WELL DRILLING OPERATIONS, FOR GEOPHYSICAL SERVICES FOR OTHERS, AND FOR FORMATION EVALUATION SERVICES FOR OTHERS-NAMELY, WELL LOGGING AND SURVEYING SERVICES | EXPIRED | Jul 1, 1968 |
| 103 | WELL SERVICES FOR OTHERS-NAMELY, WELL PERFORATING SERVICES AND WIRELINE SERVICES | EXPIRED | Jul 1, 1968 |
CopyMark links this record to cited ยง2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Feb 14, 1994 | EXRG | EXPIRED SEC. 9 | โ |
| Aug 28, 1979 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | โ |