STAR SHIELD Trademark
STAR SHIELD is a USPTO trademark filed by DORF KETAL WELL SERVICES, LLC. Status: Registered.
Trademark Facts
| Mark | STAR SHIELD |
|---|---|
| Serial Number | 86093222 |
| Registration Number | 4717382 |
| Status | Registered |
| Filing Date | 2013-10-16 |
| Registration Date | 2015-04-07 |
| Mark Type | Word |
| Nice Classes | 001 (Chemicals) |
| Owner | DORF KETAL WELL SERVICES, LLC |
| Attorney of Record | John P. Courtney |
| Prosecution Events | 52 |
| Latest Event | 89AG on 2025-08-07 |
Goods & Services
Additive for water-based, oil-based and synthetic based drilling and completion fluids, namely, chemical which reduces wellbore instability, differential pressure sticking and lost circulation