SIGMA - Trademark Details
Status: 900 - Expired
Serial Number
71590106
Registration Number
0536253
Word Mark
SIGMA
Status
900 - Expired
Status Date
1992-11-03
Filing Date
1949-12-29
Registration Number
0536253
Registration Date
1951-01-09
Mark Drawing
3000 - Illustration: Drawing or design which also includes word(s)/ letter(s)/number(s)
Typeset
Design Searches
260127 - Circles containing irregular exterior lining or elements not amounting to a decorative border.
Statements
Goods and Services
ELECTRICAL RELAYS [ AND ACOUSTIC SWITCHES]
Classification Information
International Class
009 - Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; 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. - Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; 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
1992-11-03
Primary Code
021
First Use Anywhere Date
1935-03-00
First Use In Commerce Date
1935-03-00
Trademark Events
| Event Date | Event Description |
| 1971-01-09 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |
| 1992-11-03 | EXPIRED SEC. 9 |
