Application

18893935 · Flux-Cored Welding Strip and Welding Flux Used in Combination for Submerged Arc Welding of Duplex Stainless Steel, and Preparation Methods and Use Thereof

Filed 2024-09-23 · Granted · Patent 12343819 (2025-07-01) The official file ↗The patent and its PDF ↗ · Art unit 3761 · Examiner Abigail H Rhue Hard · CPC B23K 35/0266 · HARBIN WELDING INSTITUTE LIMITED COMPANY · Law Office of ROBERT C. KLINGER

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

2.2 mo

to disposition 9.2 mo

Statutes raised

103

1 actions read

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