Scratch-off game card including ink for making markings thereon and method of making the same
US5560608A · kind A · utility
32Cited by
6References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 1995 |
| Grant date | Oct 1, 1996 |
| Priority date | — |
| Expiry date | May 31, 2015 |
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 game card has provided thereon a patch of marking formulation for marking selected areas of the second section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.