Disposable Single Serve Coffee Pod Usage Indicator and Messaging System

摘要

Apparatus and method for visibly changing the appearance of a single serve hot beverage cartridge pod to identify its having been previously brewed, along, where desired, together with or independently visualizing previously hidden message content embedded within the cartridge pod construction itself.

主权项

1. In a single serve beverage cartridge pod including one of a cup and frame supporting coffee grounds, tea leaves, or cocoa or cappuccino powders, a cover, and a filter, and in which hot brewing water is directed through the pod, passing through the grounds, leaves or powders and through the filter, the combination therewith of a thermochromic medium on said cartridge pod to develop an externally visual change in color, transparency, shading or appearance on said cartridge pod in response to activation heat from a beverage brewing process on said pod.