| Serial Number | 74202640 |
| Word Mark | DIFFEQ |
| Filing Date | Thursday, September 12, 1991 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Monday, February 8, 1999 |
| Registration Number | 1704691 |
| Registration Date | Tuesday, August 4, 1992 |
| Mark Drawing | 5S07 - Drawing with word(s) / letter(s) / number(s) in Stylized form |
| Published for Opposition Date | Tuesday, May 12, 1992 |
| Goods and Services | computer programs and instruction manuals sold as a unit for use in mathematical applications |
| 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 | 038 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Monday, February 8, 1999 |
| Primary Code | 009 |
| First Use Anywhere Date | Monday, February 10, 1986 |
| First Use In Commerce Date | Friday, May 3, 1991 |
| Party Name | MicroMath, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Salt Lake City, UT 84121 |
| Party Name | MicroMath, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Salt Lake City, UT 84121 |
| Party Name | MicroMath, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Salt Lake City, UT 84121 |
| Event Date | Event Description |
| Monday, February 8, 1999 | CANCELLED SEC. 8 (6-YR) |
| Tuesday, August 4, 1992 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, May 12, 1992 | PUBLISHED FOR OPPOSITION |
| Friday, April 10, 1992 | NOTICE OF PUBLICATION |
| Thursday, December 26, 1991 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Thursday, December 19, 1991 | EXAMINER'S AMENDMENT MAILED |