SIGMA Trademark
SIGMA is a USPTO trademark filed by SIGMA INSTRUMENTS, INC.. Status: Expired.
Trademark Facts
| Mark | SIGMA |
|---|---|
| Serial Number | 72361760 |
| Registration Number | 0938083 |
| Status | Expired |
| Filing Date | 1970-06-04 |
| Registration Date | 1972-07-18 |
| Mark Type | Word |
| Nice Classes | 009 (Electronics & Software), 026 (Accessories) |
| Owner | SIGMA INSTRUMENTS, INC. |
| Prosecution Events | 2 |
| Latest Event | EXRG on 1993-04-26 |
Goods & Services
PROTECTIVE AND CONTROLLING SYSTEMS FOR POWER LINES-NAMELY, VOLTAGE SENSING CAPACITOR CONTROLS, CURRENT SENSING CAPACITOR CONTROLS, POWER FACTOR SENSING CAPACITOR CONTROLS, OVERCURRENT CONTROLS, MONITORING INSTRUMENTS FOR VOLTAGE CURRENT AND POWER FACTOR; MEASURING, INDICATING AND CONTROLLING INSTRUMENTS-NAMELY, CONTROL PYROMETERS, ELECTRONIC CONTROL METERS, ELECTRONIC SET-POINT CONTROLS, MULTIPOINT CONTROLLERS, DIGITAL METERS, WARNING FLAG MECHANISMS, MULTI-TESTER METERS, PANEL METERS, METER RELAYS AND DIGITAL CONTROL SYSTEMS