Erasable scratch-off lottery ticket
US5544881A · kind A · utility
18Cited by
37References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1994 |
| Grant date | Aug 13, 1996 |
| Priority date | — |
| Expiry date | Jan 19, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/242
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A scratch-off game card includes first and second sections. The first section is provided with a first set of game data covered by a substantially opaque scratch-off material. The second section is provided with a second set of game data covered by a substantially transparent material. The second section is further provided with a substantially transparent coating for marking the second section by rubbing with an object. The markings so made are erasable by, for example, pencil eraser or the like material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.