发明名称 |
Microstructured time dependent indicators |
摘要 |
The invention provides microstructured time dependent indicators including timers, time/temperature indicators, etc. The indicators are preferably highly accurate and easy to read. The invention also includes indicators which are game pieces, calendars, greeting cards, etc. The indicators function by flow of a material through channels of a microstructured substrate.
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申请公布号 |
US6741523(B1) |
申请公布日期 |
2004.05.25 |
申请号 |
US20000570785 |
申请日期 |
2000.05.15 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
BOMMARITO G. MARCO;MAZUREK MIECZYSLAW H.;JOHNSTON RAYMOND P.;YARUSSO DAVID J.;LARSON CURTIS L. |
分类号 |
G01K11/06;G01K3/04;G01K11/12;G04F1/00;G04F1/06;G04F13/00;G04F13/06;(IPC1-7):G01K5/08 |
主分类号 |
G01K11/06 |
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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