Patent · US Expired

Projection toy

US4877240A · kind A · utility

1Cited by
6References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 26, 1988
Grant dateOct 31, 1989
Priority date
Expiry dateFeb 26, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63H33/30
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A projection toy free from any condenser such as a lens or the like is disclosed, wherein a transparent window is provided at a portion of a case body in alignment with the projected surface and a projection film is disposed in the interior of the case body along the transparent window while a lamp is disposed as light source rearwardly of the projection film, a drive being provided to move the projection film. The projection toy according to the invention allows various games to be applied to running projected patterns, with the continuous patterns moved automatically or manually.

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