USPTO serial 72303360
ONE-OVER-ONE
Reviewed by CopyMark Law Group
Reg. 0896369Status 900
- Filing date
- Status date
- Registration date
- Aug 11, 1970
- 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 |
|---|---|---|---|
| 021 | TELEPHONE CARRIER APPARATUS COMPRISING CARRIER APPARATUS-NAMELY, CENTRAL OFFICE AND SUBSCRIBER CARRIER UNITS FOR TELEPHONE SYSTEM ADAPTED FOR CONNECTION TO EXISTING CABLE PAIR, BOTH AT THE CENTRAL OFFICE AND SUBSCRIBER'S LOCATION, CREATING AN ADDITIONAL TALKING CIRCUIT OVER THE EXISTING CABLE PAIR TO WHICH AN ADDITIONAL TELEPHONE SET MAY BE SUPPLIED AT A SUBSCRIBER'S TERMINAL, FOR TELEPHONE TRUNK SERVICE (EAS AND TOLL | EXPIRED | Jul 12, 1968 |
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 | — |