发明名称 Film cartridge with exposed-film indicator
摘要 A film cartridge has a folded-over tab protruding from a film egress slot, which is unfolded by a film leader moving outwardly through the slot. The unfolded tab provides a visible indication of film use. In an alternate embodiment, the tab is an integral extension of a light-trapping plush that lines the film egress slot.
申请公布号 US5517268(A) 申请公布日期 1996.05.14
申请号 US19950368508 申请日期 1995.01.03
申请人 EASTMAN KODAK COMPANY 发明人 STEPHANY, THOMAS M.
分类号 G03B17/30;(IPC1-7):G03B17/26;G03B23/02 主分类号 G03B17/30
代理机构 代理人
主权项
地址