Eskofot A/S

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5672328 Method and apparatus for removing silver in the form of silver salts from a liquidExpiredAug 05, 92Sep 30, 97[B01J]
5176081 Method and an apparatus for individual transport of offset printing platesExpiredMar 22, 91Jan 05, 93[B41L]
5156253 Suction table, especially for an exposure stationExpiredMar 22, 91Oct 20, 92[B65G]
5117257 Contact printerExpiredMay 10, 90May 26, 92[G03B]
5085772 Filter for filtration of fluidsExpiredSep 14, 90Feb 04, 92[B01D]
5023846 Ultrasonic detector for detecting a thin filmExpiredFeb 28, 90Jun 11, 91[G01S]
5002250 Platen for an originalExpiredSep 01, 89Mar 26, 91[A45P]
4989034 Method of eliminating cushion distortionExpiredJan 10, 90Jan 29, 91[G03B]
4984014 Reproduction camera comprising a scanning light sourceExpiredDec 13, 89Jan 08, 91[G03B]
4887126 Reproduction cameraExpiredApr 14, 88Dec 12, 89[G03B]
4868604 Device for achieving a substantially uniform distribution of the light in the picture plane of a reproduction cameraExpiredJan 05, 89Sep 19, 89[G03B]
4853749 Area exposure machineExpiredMar 24, 88Aug 01, 89[G03B]
4794415 Developing trayExpiredApr 20, 87Dec 27, 88[G03B]
4766454 Developing trayExpiredApr 20, 87Aug 23, 88[G03D]
4640610 Reproduction cameraExpiredMay 09, 85Feb 03, 87[G03B]
4619526 Suction film holderExpiredMay 09, 85Oct 28, 86[G03B]
4378155 Suction film holderExpiredApr 07, 81Mar 29, 83[G03B]
4378157 Method of controlling the contrast by reproduction such as screen reproductionExpiredApr 06, 81Mar 29, 83[G03B]
4313676 Method of automatically adjusting a picture reproducing apparatusExpiredDec 26, 79Feb 02, 82[G03B]

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