Application
17563083 · METHOD AND APPARATUS FOR TRACKING AND CONTROLLING VIRTUAL MARSHALLING TRAINS, ELECTRONIC DEVICE, AND READABLE STORAGE MEDIUM
Filed 2021-12-28 · Granted · Patent 11945481 (2024-04-02) The official file ↗The patent and its PDF ↗ · Art unit 3747 · Examiner Lindsay M Low Hard · CPC B61L 25/028 · Traffic Control Technology Co., Ltd. · East IP P.C.
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first was Notice of allowance
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To first action
23.1 mo
to disposition 27.1 mo
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