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Patent timeline
Creado
Chris Reid
⟶ Actualizado 18 dic 2019 ⟶
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US1227700A Award date: 5/22/1917 status: Expired
US20050251893A1 Filing date: 5/4/2004 Award date: None Status: Abandoned
US20130317788A1 Award date: 1/2/2018 Status: Active
US20120030856A1 Award date: 3/19/2013 Status: Active
US3707963A Award date: 1/2/1973 Status: Expired
US20130263356A1 Award date: 1/10/2017 Status: Active
US20020042940A1 Award date: 6/18/2000 Status: Expired
US20080034468A1 Award date: 3/1/2011 Status: Active
US3273165A Award date: 9/20/1966 Status; Expired
US7757303B2 Award date: 7/20/2010 Status: Unknown
US5600853A Award date: 2/11/1997 Status: Expired
US20110214220A1 status: Abandoned Award date: None
US5373585A Award date: 12/20/1994 Status: Unknown
EP0261481A1 Award date: 12/27/1990 Status: expired
US4881275A Award date: 11/21/1989 status: Expired
US5456650A Award date: 10/10/1995 Status: unknown