HALLCREST PRODUCTS, INC., A CORP. OF NY

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5282683 Fluid-temperature testing assemblyExpiredDec 04, 92Feb 01, 94[G01K]
D299907 Oral thermometerExpiredJul 03, 86Feb 21, 89[]
4779995 Reusable liquid crystal thermometerExpiredSep 04, 86Oct 25, 88[G01K]
4691712 Device for detecting, measuring, and recording body thermal emissivityExpiredJun 20, 85Sep 08, 87[G03B]
D288602 Combined detector and recorder of body thermal emissivityExpiredJul 16, 84Mar 03, 87[]
D261737 Thermochromic thermometerExpiredJan 10, 80Nov 10, 81[D100]
4234084 Combined display package and article storage caseExpiredMay 07, 79Nov 18, 80[A61B, B65D]

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