SIGMA Trademark
SIGMA is a USPTO trademark filed by SIGMA INSTRUMENTS, INC.. Status: Expired.
Trademark Facts
| Mark | SIGMA |
|---|---|
| Serial Number | 72305075 |
| Registration Number | 0915664 |
| Status | Expired |
| Filing Date | 1968-08-13 |
| Registration Date | 1971-06-29 |
| Mark Type | Word |
| Nice Classes | 009 (Electronics & Software), 026 (Accessories) |
| Owner | SIGMA INSTRUMENTS, INC. |
| Prosecution Events | 5 |
| Latest Event | EXRG on 1992-11-04 |
Goods & Services
DIGITAL DATA PROCESSING SYSTEMS AND SYSTEM UNITS, INCLUDING DIGITAL COMPUTERS, MEMORY UNITS, INPUT-OUTPUT PROCESSORS, INPUT-OUTPUT DEVICES, SYSTEMS INTERFACE UNITS, AND COMMUNICATION UNITS