Application

19621084 · OPENING AND CLOSING MECHANISM OF SLIDING PLUG DOOR, SLIDING PLUG DOOR AND OPENING AND CLOSING METHOD THEREFOR, AND RAILWAY FREIGHT CAR

Filed 2026-09-03 · Pending The official file ↗ · Art unit · CRRC QIQIHAR ROLLING STOCK CO., LTD. · CANTOR COLBURN LLP

Office actions

first was

RCEs

no appeal

To first action

n/a

to disposition n/a

Statutes raised

0 actions read

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