发明名称 |
Key locking indicator |
摘要 |
A key locking indicator device usable with a key of conventional design for tactile and visual indication of whether the device was last used to look or unlock the look operated by the key. The device is of simple construction, embodies a minimum number of moving parts, and is easy to use.
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申请公布号 |
US5435160(A) |
申请公布日期 |
1995.07.25 |
申请号 |
US19930082531 |
申请日期 |
1993.06.28 |
申请人 |
LINSALATO, RANDY;ALBERTS, SCOTT |
发明人 |
LINSALATO, RANDY;ALBERTS, SCOTT |
分类号 |
E05B19/22;(IPC1-7):E05B41/00 |
主分类号 |
E05B19/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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