Trademark Overview
On Tuesday, February 20, 2001, a trademark application was filed for UNKNOWN VARIABLE with the United States Patent and Trademark Office. The USPTO has given the UNKNOWN VARIABLE trademark a serial number of 76213580. The federal status of this trademark filing is ABANDONED - NO STATEMENT OF USE FILED as of Tuesday, May 7, 2002. This trademark is owned by Lightspan, Inc.. The UNKNOWN VARIABLE trademark is filed in the Education & Entertainment Services category with the following description:
television programming and production; video production; motion picture film production; development and dissemination of educational and entertainment materials for others in the fields of language arts, mathematics, science, social studies, computer skills, family education, teacher training, visual arts or music; educational services, namely conducting classes, seminars, conferences, workshops, either live, via communications networks or via digital broadcast systems for parents and educators in the fields of childhood education, family education and teacher training, or for parents, educators or children in the fields of language arts, mathematics, science, social studies, computer skills, visual arts, theater or music