AES Technology Systems, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4968419 Document processing systemExpiredSep 18, 87Nov 06, 90[B07C]
4373848 Method and apparatus for exposing contents of an opened envelope with gravity assistExpiredSep 22, 80Feb 15, 83[B65G]
4356679 Apparatus for applying a degrading chemical to envelopesExpiredMar 31, 80Nov 02, 82[B65B]
4356683 Method and apparatus for holding and conveying a batch of envelopes to facilitate the opening of the envelopesExpiredMar 31, 80Nov 02, 82[B43M]
4356684 Batch method and apparatus for heating envelope edges to separate the envelope panelsExpiredMar 31, 80Nov 02, 82[B65B]
4354789 Method and apparatus for transferring envelopesExpiredMar 31, 80Oct 19, 82[B65G]
4343392 Method and apparatus for feeding envelopesExpiredMar 31, 80Aug 10, 82[B65G]
4235431 Method and apparatus for transporting documents with preselected interdocument spacingExpiredDec 04, 78Nov 25, 80[B65H]
4228634 Envelope opening process and compositionExpiredAug 13, 79Oct 21, 80[B65B]
4222216 Opening of envelope with darkened edgesExpiredFeb 05, 79Sep 16, 80[B65B]
4194342 Folded paper edge opening processExpiredSep 27, 78Mar 25, 80[B65B]

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