Patent ID: 7014066

Claim:
A method of maintaining a record of metered dosages of liquid intake taken by a patient, the method including the steps of: providing a container for holding a liquid therein, the container including an outer surface having a writing surface as a portion thereof, the writing surface including a vertical border, the container including scale markings vertically aligned adjacent the vertical border of the writing surface; filling the container with a liquid to a predetermined liquid level; first marking on the writing surface adjacent the scaled markings at the predetermined level of liquid and noting a time and date thereon; subsequently, at a later time and date, after the patient has taken fluid from the container, marking a lower liquid level in the container, adjacent the scale markings reflecting the lower liquid level and designating the time and date of such lower level adjacent said indicia; determining the dosage taken by the patient during the time interval between the first and subsequent marking; and recording the dosage in the patient's records.