Method of and system for correlating charitable contributions
US5724518A · kind A · utility
20Cited by
1References
3Claims
0Family size
Inventor
Key dates
| Filing date | Feb 28, 1996 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | Feb 28, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F19/203
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A central office correlates charitable contributions made at vending stations in food service establishments which issue information carriers in return for charitable contributions which are receipts for the contribution and entitle the donor to a beverage dispensed from a machine responding to the information carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.