Disposable contact lens reminder clock

Horology: time measuring systems or devices – Combined with disparate device

Reexamination Certificate

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Details

C368S242000, C206S005100

Reexamination Certificate

active

07042805

ABSTRACT:
A contact lens reminder clock for use with a contact lens tray to remind wearers of disposable contact lenses of the exact day since the lenses were first used. The reminder clock includes dual digital display showing days (and/or hours) since the clock was reset and may be permanently or temporarily mounted to the contact lens tray housing the contact lenses. On the specific day that a wearer installs the contact lenses for the first time, the wearer would depress the reset button for each display which begins the continuous time display digitally in days (and hours if desired) for each lens from the initiation date so that the wearer is able to determine at any time how many days each lens has been used.

REFERENCES:
patent: 4909382 (1990-03-01), Cuppari
patent: 5452792 (1995-09-01), Zautke et al.
patent: 6038997 (2000-03-01), Madden
patent: 6382409 (2002-05-01), Scala

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