Lottery game tickets and methods for making same
US6752319B2 · kind B2 · utility
178Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2001 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Nov 20, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2250/287
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention relates to lottery game tickets and methods for making the same. In one embodiment, a wavelength-sensitive addition is incorporation in game ticket play area. In another embodiment, reflectance characteristics of a game ticket play area are controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.