PD Trademark
PD is a USPTO trademark filed by PHILADELPHIA QUARTZ COMPANY. Status: Expired.
Trademark Facts
| Mark | PD |
|---|---|
| Serial Number | 72375698 |
| Registration Number | 0922155 |
| Status | Expired |
| Filing Date | 1970-11-10 |
| Registration Date | 1971-10-19 |
| Mark Type | Word |
| Nice Classes | 001 (Chemicals), 006 (Metals) |
| Owner | PHILADELPHIA QUARTZ COMPANY |
| Prosecution Events | 2 |
| Latest Event | EXRG on 1992-11-04 |
Goods & Services
SOLUBLE SILICATE