FISHER SCIENTIFIC GROUP INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4897591 Regulated battery chargerExpiredMay 06, 87Jan 30, 90[H02J]
D305151 Combined IV tube slide clamp and associated peristaltic pumping chamberExpiredJan 06, 87Dec 19, 89[]
4798589 Diaphragm pump cassetteExpiredJun 15, 87Jan 17, 89[A61M]
4767399 Volumetric fluid withdrawal systemExpiredDec 05, 86Aug 30, 88[A61M]
4755109 Snap-together peristaltic mechanismExpiredApr 03, 87Jul 05, 88[F04B, A61M]
4747828 IV fluid line occlusion detectorExpiredDec 09, 86May 31, 88[A61M]
D295315 Universal syringe holderExpiredDec 18, 85Apr 19, 88[]
D295320 Multiple I.V. infusion pump pole adapterExpiredAug 13, 85Apr 19, 88[]
4728265 Peristaltic pump with cam action compensatorExpiredFeb 24, 87Mar 01, 88[F04B, E05D]
4725205 Peristaltic pump with cam action compensatorExpiredJan 30, 87Feb 16, 88[F04B]
D293468 I.V. infusion pumpExpiredSep 10, 85Dec 29, 87[]
4703314 Empty container detector with drop sensorExpiredDec 04, 86Oct 27, 87[G01F]
D291728 Syringe clipExpiredMar 06, 85Sep 01, 87[]
4690673 Dual mode I.V. infusion device with distal sensorExpiredMar 26, 86Sep 01, 87[A61M]
4689043 IV tube activatorExpiredMar 19, 86Aug 25, 87[A61M]
4665391 Empty container detectorExpiredFeb 27, 86May 12, 87[G01F]
4658244 Air-in-line detectorExpiredMar 28, 85Apr 14, 87[G08B]
4617014 Dual mode I. V. infusion deviceExpiredNov 26, 85Oct 14, 86[A61M]

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