USPTO serial 71621922
DYNASET
Reviewed by CopyMark Law Group
Reg. 0579599Status 900
- Filing date
- Status date
- Registration date
- Sep 8, 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
ST. PAUL, MN
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 021 | HEADSET CONSISTING OF EARPHONES USED IN CONNECTION WITH RADIO OR OTHER SOUND REPRODUCING APPARATUS | EXPIRED | Oct 25, 1951 |
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 |
|---|---|---|---|
| Jun 13, 1994 | EXRG | EXPIRED SEC. 9 | — |
| Sep 8, 1973 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |