Aquatic/terrestrial display unit
US5000118A · kind A · utility
41Cited by
5References
3Claims
0Family size
Inventors
Key dates
| Filing date | Oct 24, 1989 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Oct 24, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K63/003
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An aesthetically pleasing aquatic/terrestrial display unit provides a variety of novel optical effects, including the illusion whereby aquatic and terrestrial environments are superimposed, sometimes with their geometrical relationships seemingly altered by attendant lensing effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.