Barcode identifier for a food or pharmaceutical product incorporates an additional barcode or barcode section that includes the product use by or expiry date, with both codes scanned at a check-out, etc.

摘要

Barcode product identifier for food or pharmaceutical products incorporates a use by date. Accordingly the barcode has two parallel, two sequential, two overlapping or a lengthened barcode comprising two barcodes. Said composite barcode incorporates both the product identification data and the use by date. When the product barcode is scanned if the product expiry date is exceeded it is automatically highlighted. An Independent claim is made for a method for coding product information data and use by data in a barcode.