KEYSTONE Trademark
KEYSTONE is a USPTO trademark filed by EMERSON VULCAN HOLDING LLC. Status: Registered.
Trademark Facts
| Mark | KEYSTONE |
|---|---|
| Serial Number | 73801637 |
| Registration Number | 1572890 |
| Status | Registered |
| Filing Date | 1989-05-22 |
| Registration Date | 1989-12-26 |
| Mark Type | Word |
| Nice Classes | 006 (Metals), 007 (Machinery), 009 (Electronics & Software) |
| Owner | EMERSON VULCAN HOLDING LLC |
| Attorney of Record | Li Zhu |
| Prosecution Events | 48 |
| Latest Event | REAP on 2025-09-16 |
Goods & Services
MANUALLY OPERATED BUTTERFLY VALVES | HYDRAULICALLY AND/OR PNEUMATICALLY OPERATED BUTTERFLY VALVES | ELECTRONICALLY OPERATED AND AUTOMATIC BUTTERFLY VALVES