| Serial Number | 88703444 |
| Word Mark | DIFFERENTIAL EQUATIONS |
| Filing Date | Friday, November 22, 2019 |
| Status | 702 - SECTION 8 & 15 - ACCEPTED AND ACKNOWLEDGED |
| Status Date | Wednesday, November 19, 2025 |
| Registration Number | 6084926 |
| Registration Date | Tuesday, June 23, 2020 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, April 7, 2020 |
| Goods and Services | Downloadable electronic publications, namely, a series of journals published periodically on subjects related to differential equations and partial differential equations |
| 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, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, December 2, 2019 |
| Primary Code | 009 |
| First Use Anywhere Date | Saturday, December 31, 2005 |
| First Use In Commerce Date | Saturday, December 31, 2005 |
| Party Name | Pleiades Publishing, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | New York, NY 10019 |
| Party Name | Pleiades Publishing, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | New York, NY 10019 |
| Party Name | Pleiades Publishing, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | New York, NY 10019 |
| Event Date | Event Description |
| Tuesday, November 26, 2019 | NEW APPLICATION ENTERED |
| Monday, December 2, 2019 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, December 5, 2019 | TEAS VOLUNTARY AMENDMENT RECEIVED |
| Thursday, December 5, 2019 | TEAS AMENDMENT ENTERED BEFORE ATTORNEY ASSIGNED |
| Tuesday, February 25, 2020 | ASSIGNED TO EXAMINER |
| Friday, February 28, 2020 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, March 18, 2020 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, April 7, 2020 | PUBLISHED FOR OPPOSITION |
| Tuesday, April 7, 2020 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, June 23, 2020 | REGISTERED-PRINCIPAL REGISTER |
| Monday, June 23, 2025 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Friday, August 1, 2025 | TEAS SECTION 8 & 15 RECEIVED |
| Wednesday, November 19, 2025 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Wednesday, November 19, 2025 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Wednesday, November 19, 2025 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |