USPTOProtect this trademark from copycats!
With our trademark monitoring alerts, you are automatically notified by email about copycats and free riders.
The US trademark AMPLIGRAPH was filed as Word mark on 12/03/1968 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 02/03/1970.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72313475 |
| Register number | 885430 |
| Application date | December 3, 1968 |
| Entry date | February 3, 1970 |
Trademark owner
GTTORP
SE
goods and services
9
SEISMOGRAPHS
ID: 1372313475