Application

19180095 · Method for lifting subway shield tunnel by polymer grouting

Filed 2025-04-15 · Pending The official file ↗ · Art unit 3678 · Examiner Joshua Mays Brown · CPC E21D 11/10 · BeSTDR Infrastructure Hospital(Pingyu) · Lei Yu

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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