DUOVIS Trademark
DUOVIS is a USPTO trademark filed by DRESSER INDUSTRIES, INC.. Status: Cancelled.
Trademark Facts
| Mark | DUOVIS |
|---|---|
| Serial Number | 73629047 |
| Registration Number | 1471829 |
| Status | Cancelled |
| Filing Date | 1986-10-30 |
| Registration Date | 1988-01-12 |
| Mark Type | Word |
| Nice Classes | 001 (Chemicals) |
| Owner | DRESSER INDUSTRIES, INC. |
| Attorney of Record | CHRISTOPHER R. BENSON |
| Prosecution Events | 8 |
| Latest Event | C8.. on 1994-07-18 |
Goods & Services
Class 001: CHEMICAL ADDITIVE FOR DRILLING FLUIDS