Patent · US Expired

Activity device

US7238026B2 · kind B2 · utility

65Cited by
34References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 2004
Grant dateJul 3, 2007
Priority date
Expiry dateAug 24, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B1/36
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A multiple-sided activity device for toy blocks is disclosed. The activity device has a first side including a first activity adapted to interact with at least one of the plurality of toy blocks. The activity device also has a second side distinct from the first side, the second side including a block recognition mechanism configured to selectively interact with any of the plurality of toy blocks to identify which of the plurality of toy blocks is interacting with the block recognition mechanism and to produce block-specific sensory stimulating output.

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