Patent · US Expired

Indoor structure that simulates an outdoor environment

US4953848A · kind A · utility

6Cited by
4References
100Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1989
Grant dateSep 4, 1990
Priority date
Expiry dateSep 19, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63J13/00
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

The room 10 has a front wall 12 having at least one transparent window 22. The room 10 also has a ceiling 18 that slants from a high end 26 at or adjacent the front wall 12 to a low end 28 removed from the front wall 12. The ceiling 18 has an aperture 30 in it. There is a concave dome 32 on the outside of the ceiling 18 that covers the aperture, and the inside surface of the concave dome 32 is light reflecting. Lights 36 shine appropriate colors on the light reflecting inside surface 34 of the concave dome 32. The lights 36 are concealed from a viewer 24 located on the outside of the front wall 12.

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