HELCLEAN Trademark
HELCLEAN is a USPTO trademark filed by Helena Chemical Company. Status: Cancelled.
Trademark Facts
| Mark | HELCLEAN |
|---|---|
| Serial Number | 81034198 |
| Registration Number | 1034198 |
| Status | Cancelled |
| Filing Date | — |
| Registration Date | 1976-02-24 |
| Mark Type | Combined |
| Nice Classes | 005 (Pharmaceuticals) |
| Owner | Helena Chemical Company |
| Prosecution Events | 2 |
| Latest Event | C8.. on 1982-07-20 |