Ethyl Development Corporation

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4390338 Blow pin assemblyExpiredNov 18, 81Jun 28, 83[B29C]
D268896 Bottle or similar articleExpiredMar 03, 81May 10, 83[D090]
D268906 Bottle or similar articleExpiredMar 03, 81May 10, 83[D090]
D268907 Bottle or similar articleExpiredMar 03, 81May 10, 83[D090]
4381183 Apparatus for removing waste material from a plastic articleExpiredOct 22, 81Apr 26, 83[B29C]
4379688 Oriented injection blow molded container productionExpiredSep 14, 81Apr 12, 83[B29C]
4328887 Unscrambler-unloaderExpiredApr 07, 80May 11, 82[]
D263373 Bottle or similar articleExpiredAug 20, 79Mar 16, 82[D090]
D259542 Bottle or similar articleExpiredDec 19, 77Jun 16, 81[D090]
D257953 Bottle or similar articleExpiredNov 27, 78Jan 20, 81[D090]
D257955 Bottle or similar articleExpiredNov 27, 78Jan 20, 81[D090]
D255995 Dispensing closureExpiredMay 22, 78Jul 22, 80[D099]
D255542 Bottle or similar articleExpiredDec 19, 77Jun 24, 80[D090]
D255543 Bottle or similar articleExpiredDec 19, 77Jun 24, 80[D090]
D254774 Bottle or similar articleExpiredDec 19, 77Apr 22, 80[D090]
4198886 Deflashing apparatusExpiredSep 12, 78Apr 22, 80[B26D]
D254711 Bottle or similar articleExpiredDec 19, 77Apr 15, 80[D090]
D254712 Bottle or similar articleExpiredDec 19, 77Apr 15, 80[D090]
D254713 Bottle or similar articleExpiredDec 19, 77Apr 15, 80[D090]
4197954 ContainerExpiredOct 05, 78Apr 15, 80[B65D]

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