DEFEND Trademark
DEFEND is a USPTO trademark filed by CALGON CORPORATION. Status: Cancelled.
Trademark Facts
| Mark | DEFEND |
|---|---|
| Serial Number | 74257548 |
| Registration Number | 1772142 |
| Status | Cancelled |
| Filing Date | 1992-03-20 |
| Registration Date | 1993-05-18 |
| Mark Type | Word |
| Nice Classes | 001 (Chemicals) |
| Owner | CALGON CORPORATION |
| Attorney of Record | Irving N. Stein |
| Prosecution Events | 12 |
| Latest Event | CAEX on 2004-02-21 |
Goods & Services
corrosion inhibiting chemicals for use in boiler systems