发明名称 Contact lens case with automatic counter
摘要 A contact lens storage device and method is provided. The contact lens storage device includes a housing, a cover for the housing and a counter. The cover is cooperatively arranged with and attached to the housing such that the counter automatically operates to display number of days that the contact lenses have been worn by the contact lens wearer. Thus, the contact lens wearer is likely to refrain from using contact lenses beyond the useful life of the lenses.
申请公布号 US5699900(A) 申请公布日期 1997.12.23
申请号 US19960688269 申请日期 1996.07.29
申请人 ARTIS, DERRICK L. 发明人 ARTIS, DERRICK L.
分类号 A45C11/00;(IPC1-7):A45C11/04 主分类号 A45C11/00
代理机构 代理人
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