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14136065 · CONTROL SYSTEM OF VARIABLE SPEED PUMPED STORAGE HYDROPOWER SYSTEM AND METHOD OF CONTROLLING THE SAME

Filed 2013-12-20 · Granted · Patent 9429136 (2016-08-30) The official file ↗The patent and its PDF ↗ · Art unit 2121 · Examiner Derrick A Boateng Easy · CPC F03B 15/02 · Kabushiki Kaisha Toshiba · OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P.

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first was Notice of allowance
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no appeal
To first action
28.3 mo
to disposition 32.3 mo
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