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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4549712 Apparatus for mounting a device on a slotted postExpiredJun 01, 82Oct 29, 85[F16M]
D280772 Replaceable pulley lagging padExpiredSep 13, 82Sep 24, 85[]
4520879 Ratchet and hydraulic seal assembly for rotating hollow shaftsExpiredJun 04, 82Jun 04, 85[E21B]
D277963 Housing for voice synthesizer and voice activating bar code readerExpiredSep 13, 82Mar 12, 85[]
4504949 Stimulated anti-Stokes Raman up-converterExpiredSep 22, 82Mar 12, 85[H01S]
4497516 Sealing assembly for automotive front-pillar and side-door arrangementExpiredJul 06, 82Feb 05, 85[B62D]
4488844 Floating fastener retainer assembly with removable fastenersExpiredJun 07, 82Dec 18, 84[F16B]
4469021 Dual feed stencil assembly for a sandwiching machineExpiredDec 17, 82Sep 04, 84[B29F, A21C]
4451065 Torsion suspension system for motorcyclesExpiredJun 18, 82May 29, 84[B62K]
4450135 Method of making electrical contactsExpiredJan 04, 82May 22, 84[B22F]
4450380 Multi-electrode array for a beam mode fluorescent lampExpiredJan 04, 82May 22, 84[H01J]
4448276 Clustered switch mounting means for use in automotive vehiclesExpiredJun 28, 82May 15, 84[B60K]
4448814 Method of forming filmExpiredDec 23, 81May 15, 84[B05D, C08G]
4446552 Wideband switch crosspoint and switching matrixExpiredDec 21, 81May 01, 84[H04J]
4427921 Electrodeless ultraviolet light sourceExpiredOct 01, 81Jan 24, 84[H05B]
4427922 Electrodeless light sourceExpiredOct 01, 81Jan 24, 84[H05B]
4427923 Electrodeless fluorescent light sourceExpiredOct 01, 81Jan 24, 84[H05B]
4409221 1,2,3,4,4a,9b-Hexahydro-4a-piperazinylmethyl-4-dibenzofuranone or -dibenzofuranol derivativesExpiredJun 09, 82Oct 11, 83[A61K, C07D]
D270787 Combined table and side extension unit for supporting electronic equipmentExpiredJun 10, 81Oct 04, 83[D060]
4373437 Apparatus to supply articles for printingExpiredDec 19, 80Feb 15, 83[B41F]

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