Spectramed, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D315407 Syringe jacket with plunger handleExpiredApr 26, 88Mar 12, 91[]
D312873 Syringe jacket with plunger handleExpiredApr 26, 88Dec 11, 90[]
4943364 Fiber optic CO.sub.2 sensorExpiredJun 23, 86Jul 24, 90[G01N]
4941475 Thermodilution by heat exchangeExpiredAug 07, 89Jul 17, 90[A61B]
4934375 Flush-valve assembly for blood pressure measurement catheterExpiredAug 07, 89Jun 19, 90[A61B]
4779625 Damping device for circulatory pressure measuring apparatusExpiredMay 16, 86Oct 25, 88[A61B]
4776340 Hematocrit measurement by differential optical geometry in a short-term diagnostic cardiovascular catheter, and application to correction of blood-oxygen measurementExpiredMar 23, 87Oct 11, 88[A61B]
4760250 Optoelectronics system for measuring environmental properties having plural feedback detectorsExpiredSep 29, 86Jul 26, 88[H01J, G01J]
4758298 Method for forming multiple sensor bundleExpiredDec 01, 86Jul 19, 88[B05D, B29D]
4752115 Optical sensor for monitoring the partial pressure of oxygenExpiredFeb 07, 85Jun 21, 88[G01N, G02B]
4744656 Disposable calibration boot for optical-type cardiovascular catheterExpiredDec 08, 86May 17, 88[G01J]
4726232 Temperature coefficient compensated pressure transducerExpiredJun 02, 86Feb 23, 88[G01L]
4718423 Multiple-function cardiovascular catheter system with very high lumenal efficiency and no crossoversExpiredOct 17, 86Jan 12, 88[A61B]
4706677 Multiple sensor bundleExpiredSep 23, 85Nov 17, 87[A61B]
4683894 Disposable physiological pressure sensing systemExpiredJul 09, 84Aug 04, 87[A61B]
4653499 Solid phase electrodeExpiredFeb 07, 85Mar 31, 87[A61B]
4601712 Drip chamberExpiredNov 16, 83Jul 22, 86[A61M]
4592238 Laser-recrystallized diaphragm pressure sensor and method of makingExpiredApr 15, 85Jun 03, 86[G01L]
4545389 Disposable physiological pressure sensing systemExpiredJul 14, 82Oct 08, 85[A61B]
4544707 Manganese-tertiary phosphine-polymer complexesExpiredMay 07, 84Oct 01, 85[C08F]

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