USPTO serial 72452062
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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 |
|---|---|---|---|
| 023 | TOOLS USED IN THE DRILLING OF BORES INTO THE EARTH'S CRUST, PRIMARILY IN THE ROTARY DRILLING OF OIL AND GAS WELLS-NAMELY, PERMANENT PILING ANCHORS, CURLEW BIT, PACKER BIT, UNDERREAMERS, JUNK BASKETS, CASING PATCH, CASING SCRAPERS, DIE COLLARS, DRILL COLLARS, CONDUCTOR PIPE SYSTEM, CUTTERS, MARINE SPEARS, MARINE SWIVEL, MILLS; NIPPLES, PACKER RETRIEVERS, LIFTING PLUGS, REVERSE CIRCULATION SUBS, ROTARY SUBS, LIFTING SUBS, KELLY SCREW SUBS, SECTION MILL, ROTARY SHOES, RELEASING SPEARS, WELDED BLADE STABILIZER, TAPS AND WASHPIPE | EXPIRED | Jan 1, 1960 |
| 103 | OIL WELL DRILLING SERVICES GENERALLY | EXPIRED | Jan 1, 1960 |
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 |
|---|---|---|---|
| Oct 30, 1995 | EXRG | EXPIRED SEC. 9 | — |
| Mar 31, 1981 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |