Patent · US Expired

Toy for use with vertical surfaces

US7234941B2 · kind B2 · utility

42Cited by
22References
47Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 2003
Grant dateJun 26, 2007
Priority date
Expiry dateMar 15, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B5/062
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An interactive educational apparatus is described. The educational toy apparatus includes an indicium containing structure and a base unit capable of being vertically attached to a vertical surface such as a refrigerator door. The indicium containing structure is capable of being attached to the base unit so that the indicium containing structure and the base unit are vertically oriented.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.