E-A-R TONE Trademark
E-A-R TONE is a USPTO trademark filed by 3M COMPANY. Status: Registered.
Trademark Facts
| Mark | E-A-R TONE |
|---|---|
| Serial Number | 73793536 |
| Registration Number | 1599448 |
| Status | Registered |
| Filing Date | 1989-04-17 |
| Registration Date | 1990-06-05 |
| Mark Type | Word |
| Nice Classes | 010 (Medical Devices) |
| Owner | 3M COMPANY |
| Attorney of Record | Michael L. Gannon |
| Prosecution Events | 41 |
| Latest Event | NA89 on 2020-01-30 |
Goods & Services
EARPHONES FOR DIAGNOSTIC USE