USPTO serial 71579294
HI-FLEX
Reviewed by CopyMark Law Group
Reg. 0574489Status 900
- Filing date
- Status date
- Registration date
- May 19, 1953
- Examiner
- —
- Law office
- —
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
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 023 | SCREW THREADS AND THREADED MEMBERS, SUCH AS JOINTS FOR DRILL PIPE CARRYING DRILLING BITS AND CORE-TAKING EQUIPMENT, SUBS, REDUCING SUBSTITUTES, DRILL COLLARS, AND SIMILAR THREADED COUPLING ELEMENTS ON EQUIPMENT USED IN DEEP WELL DRILLING | EXPIRED | May 1, 1949 |
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 |
|---|---|---|---|
| Feb 21, 1994 | EXRG | EXPIRED SEC. 9 | — |
| May 19, 1973 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |