CLAYGUARD Trademark
CLAYGUARD is a USPTO trademark filed by THE LUBRIZOL CORPORATION. Status: Cancelled.
Trademark Facts
| Mark | CLAYGUARD |
|---|---|
| Serial Number | 86348007 |
| Registration Number | 4695824 |
| Status | Cancelled |
| Filing Date | 2014-07-25 |
| Registration Date | 2015-03-03 |
| Mark Type | Word |
| Nice Classes | 001 (Chemicals) |
| Owner | THE LUBRIZOL CORPORATION |
| Attorney of Record | Eryn Ace Fuhrer |
| Prosecution Events | 18 |
| Latest Event | CAEX on 2025-09-19 |
Goods & Services
Additive used to inhibit hydration and swelling of clay materials in oil and gas drilling, stimulation, or work over operations