USPTO serial 72374136
IXI
Reviewed by CopyMark Law Group
Reg. 0921109Status 900
- Filing date
- Status date
- Registration date
- Sep 28, 1971
- Examiner
- —
- Law office
- FILE DESTROYED
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 |
|---|---|---|---|
| 026 | ACOUSTIC COUPLER, I.E., APPARATUS FOR COUPLING AN ELECTRO-MECHANICAL FACILITY FOR TRANSMITTING A DIGITAL DATA STREAM, TO A COMMON TELEPHONE FACILITY CAPABLE OF TRANSMITTING AUDIO TONES, TO ENABLE TRANSMISSION OF DATA IN EITHER DIRECTION BY CONVERTING ONE OF THE AUDIO OR DIGITAL SIGNALS TO THE OTHER | EXPIRED | Oct 7, 1970 |
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 |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |