Healthcheck Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D283640 Pregnancy test kitExpiredNov 09, 83Apr 29, 86[]
4567899 Cuff pressure controller for blood pressure measurement apparatusExpiredJul 30, 84Feb 04, 86[A61B]
4538074 Power switchExpiredAug 24, 83Aug 27, 85[H03K, H01H]
D277133 Digital sphygmomanometerExpiredOct 12, 82Jan 08, 85[]
D276844 Electrooptic display for blood pressure deviceExpiredApr 19, 82Dec 18, 84[]
4487208 Fast response thermoresistive temperature sensing probeExpiredJan 21, 83Dec 11, 84[A61B]
4411535 Probe for clinical electronic thermometerExpiredOct 08, 81Oct 25, 83[G01K]
D270624 Digital fever thermometerExpiredAug 24, 81Sep 20, 83[D100]

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