Application

12784576 · METHOD FOR PURIFYING SILICON

Filed 2010-05-21 · Granted · Patent 7883680 (2011-02-08) The official file ↗The patent and its PDF ↗ · Art unit 1793 · Examiner Michelle M Hou Easy · CPC C01B 33/037 · HIGHLAND MATERIALS, INC. · SCHWEGMAN LUNDBERG & WOESSNER, P.A.

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

3.9 mo

to disposition 8.6 mo

Statutes raised

0 actions read

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