Bingo-game marker with revealable, concealed imprint
US5419592A · kind A · utility
52Cited by
17References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1993 |
| Grant date | May 30, 1995 |
| Priority date | — |
| Expiry date | Jun 2, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S283/903
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A bingo-game marker comprises revealable, concealed imprints of symbols or indicia covered with an opaque coating which is removable to reveal imprints which provide a sweepstakes-play mechanism for enhancement of the attraction of the game and for promotional purposes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.