| Serial Number | 99442985 |
| Word Mark | MATH STACKERS |
| Filing Date | Tuesday, October 14, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Monday, March 30, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, April 21, 2026 |
| Indication of Colors claimed | Color is not claimed as a feature of the mark. |
| Goods and Services | Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts; Educational apparatus, namely, blocks used as teaching aids for visualization of math concepts; Educational apparatus, namely, magnets used as teaching aids for the visualization of math concepts; Educational kits sold as a unit in the field of mathematics consisting primarily of manipulative blocks used as teaching aids for the visualization of math concepts and also including printed instructional, educational, and teaching materials in the field of mathematics and a non-metal basket for storing aforesaid manipulative blocks; Educational kits sold as a unit in the field of mathematics consisting primarily of magnets used as teaching aids for the visualization of math concepts and also including dry erase writing boards, markers, erasers, and storage pouch; Magnets; Downloadable educational publications, namely, printable guides in the field of grant writing; Downloadable printable educational materials in the field of mathematics; Downloadable educational course materials in the field of mathematics |
| Description of Mark | The mark consists of a cube design comprised of varying block shapes with the wording “math stackers” in a lowercase, stylized font to the right of the cube design, with the word “math” on top of the word “stackers”. |
| NOT AVAILABLE | "MATH" |
| 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 | Tuesday, October 14, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | Friday, June 17, 2016 |
| First Use In Commerce Date | Friday, June 17, 2016 |
| Party Name | Math Stackers, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Houston, TX 77019 US |
| Event Date | Event Description |
| Tuesday, October 14, 2025 | NEW APPLICATION ENTERED |
| Tuesday, October 14, 2025 | APPLICATION FILING RECEIPT MAILED |
| Monday, March 2, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, March 2, 2026 | NOTICE OF DESIGN SEARCH CODE E-MAILED |
| Tuesday, March 3, 2026 | ASSIGNED TO EXAMINER |
| Monday, March 23, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Monday, March 23, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Monday, March 23, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Monday, March 23, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Monday, March 23, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |