Application
19020809 · METHODS OF FORMING AND RESTRICTING FLUID FLOW WITH A VALVE ASSEMBLY
Filed 2025-01-14 · Granted The official file ↗ · Art unit 3753 · Examiner Reinaldo Sanchez-Medina Typical · CPC E21B 34/142 · CHAMPIONX LLC · ChampionX/BKRIP
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first was Non-final rejection
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to disposition 18.7 mo
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