RIKEN Trademark
RIKEN is a USPTO trademark filed by Kabushiki Kaisha Riken. Status: Cancelled.
Trademark Facts
| Mark | RIKEN |
|---|---|
| Serial Number | 73436133 |
| Registration Number | 1309685 |
| Status | Cancelled |
| Filing Date | 1983-07-25 |
| Registration Date | 1984-12-18 |
| Mark Type | Combined |
| Nice Classes | 007 (Machinery) |
| Owner | Kabushiki Kaisha Riken |
| Attorney of Record | B. Brett Heavner |
| Prosecution Events | 19 |
| Latest Event | CAEX on 2025-07-04 |
Goods & Services
[ Pistons, ] Piston Rings, [ Cylinder Liners and Valve Seats ] for Marine Vehicles