| Serial Number | 71590106 |
| Word Mark | SIGMA |
| Filing Date | Thursday, December 29, 1949 |
| Status | 900 - EXPIRED |
| Status Date | Tuesday, November 3, 1992 |
| Registration Number | 0536253 |
| Registration Date | Tuesday, January 9, 1951 |
| Mark Drawing | 3000 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | ELECTRICAL RELAYS [ AND ACOUSTIC SWITCHES] |
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021 |
| Class Status Code | 9 - Expired |
| Class Status Date | Tuesday, November 3, 1992 |
| Primary Code | 021 |
| First Use Anywhere Date | Thursday, February 28, 1935 |
| First Use In Commerce Date | Thursday, February 28, 1935 |
| Party Name | SIGMA INSTRUMENTS, INCORPORATED |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | BOSTON, MA |
| Event Date | Event Description |
| Tuesday, November 3, 1992 | EXPIRED SEC. 9 |
| Saturday, January 9, 1971 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |