| Serial Number | 88084145 |
| Word Mark | HIDDENCHALK |
| Filing Date | Monday, August 20, 2018 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Friday, October 17, 2025 |
| Registration Number | 5714490 |
| Registration Date | Tuesday, April 2, 2019 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, January 15, 2019 |
| Goods and Services | Downloadable software in the nature of a mobile application for learning mathematics |
| Pseudo Mark | HIDDEN CHALK |
| 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 | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Friday, October 17, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | Friday, June 1, 2018 |
| First Use In Commerce Date | Friday, June 1, 2018 |
| Party Name | NOT AVAILABLE |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 01 - Individual |
| Address | New York, NY 10065 |
| Party Name | NOT AVAILABLE |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 01 - Individual |
| Address | New York, NY 10065 |
| Party Name | NOT AVAILABLE |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 01 - Individual |
| Address | New York, NY 10065 |
| Event Date | Event Description |
| Thursday, August 23, 2018 | NEW APPLICATION ENTERED |
| Monday, August 27, 2018 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, December 6, 2018 | ASSIGNED TO EXAMINER |
| Thursday, December 6, 2018 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, December 26, 2018 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, January 15, 2019 | PUBLISHED FOR OPPOSITION |
| Tuesday, January 15, 2019 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, April 2, 2019 | REGISTERED-PRINCIPAL REGISTER |
| Wednesday, December 20, 2023 | TEAS WITHDRAWAL OF ATTORNEY RECEIVED |
| Wednesday, December 20, 2023 | WITHDRAWAL OF ATTORNEY GRANTED |
| Friday, October 17, 2025 | CANCELLED SEC. 8 (6-YR) |