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The US trademark OPTO-LOCK was filed as Word mark on 06/01/1979 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/21/1981.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73217911 |
| Register number | 1151571 |
| Application date | June 1, 1979 |
| Publication date | January 27, 1981 |
| Entry date | April 21, 1981 |
Trademark owner
22-22, Nagaike-cho
Abeno-ku, Osaka
JP
Abeno-ku, Osaka
JP
Trademark representatives
goods and services
9
Tuning Circuits Sold as Components of Radio Receivers and Tuners
ID: 1373217911