Application

19250302 · HELICAL FRICTION EXTRUSION MACHINE AND EXTRUSION FORMING METHOD

Filed 2025-06-26 · Granted · Patent 12420324 (2025-09-23) The official file ↗The patent and its PDF ↗ · Art unit 3725 · Examiner Jared O Brown Typical · CPC B21C 23/212 · SHANDONG UNIVERSITY · IPro, PLLC

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

1.6 mo

to disposition 2.9 mo

Statutes raised

0 actions read

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