Chienkuo Technology University

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0017,966 SOLAR POWER GENERATION SYSTEM WITH CONE -SHAPED PROTRUSIONS ARRAYAbandonedJul 26, 10Jan 26, 12[H01L]
8100424 Bicycle driving assistance deviceExpiredNov 17, 09Jan 24, 12[B62M]
2011/0214,701 Water-storage tank cleaning apparatusAbandonedJan 18, 08Sep 08, 11[B08B]
7673893 Spring-based mechanism for saving labor of a bicycle riderExpiredOct 18, 07Mar 09, 10[B62M, F03G]

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