Instant electronic coupon verification system
US5420606A · kind A · utility
397Cited by
11References
11Claims
0Family size
Inventors
Key dates
| Filing date | Sep 20, 1993 |
| Grant date | May 30, 1995 |
| Priority date | — |
| Expiry date | Sep 20, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07G1/12
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An electronic paperless couponing system in which a store provides shoppers with an electronic communications device having a display screen for display of a graphic of a redemption coupon that represents a discount for an item in the store available for purchase. The communication device has a selection button to enter the selection of the coupon indicating the user's desire to redeem the coupon and a memory to record the selection until the shopper reaches the checkout counter and deducted from the purchases when it is determined that the item subject to the discount has been purchased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.