WELTONE Trademark
WELTONE is a USPTO trademark filed by CALGON, INCORPORATED. Status: Expired.
Trademark Facts
| Mark | WELTONE |
|---|---|
| Serial Number | 71677390 |
| Registration Number | 0614690 |
| Status | Expired |
| Filing Date | 1954-11-29 |
| Registration Date | 1955-10-25 |
| Mark Type | Word |
| Nice Classes | 001 (Chemicals), 006 (Metals) |
| Owner | CALGON, INCORPORATED |
| Prosecution Events | 2 |
| Latest Event | EXRG on 1996-07-29 |
Goods & Services
CHEMICAL COMPOSITIONS USED IN RESTORING THE PRODUCTION OF UNDERGROUND WELLS