Patent Document ID: 9836678
Application ID: 15398951

Base Claim:
1. A quality management system for products comprising: a multiplicity of barcoded quality indicators each operative to provide a machine-readable indication of exceedance of at least one threshold by at least one product quality affecting parameter; a barcode indicator reader operative to read said barcoded quality indicators and to provide output indications; and a product type responsive indication interpreter operative to receive said output indications and to provide human sensible, product quality status outputs, said barcoded quality indicators including: a first machine-readable visible state prior to actuation thereof; a second machine-readable visible state, different from said first machine-readable visible state, following actuation thereof and prior to exceedance of said at least one threshold by said at least one product quality affecting parameter; and at least one third machine-readable visible state, different from said first machine-readable visible state and different from said second machine-readable visible state, following actuation thereof and following exceedance of said at least one threshold by said at least one product quality affecting parameter.

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Claim 2:
2. A quality management system according to claim 1 and wherein said quality indicators are readable by said barcode indicator reader at all times, after first becoming readable, including times prior to, during and immediately following exceedance of said at least one threshold by said at least one product quality affecting parameter.