Application

19595724 · HYDRAULIC PULSE-TYPE SOLUBLE SEGMENTED ACID FRACTURING SLIDE SLEEVE AND PULSE ACID FRACTURING CONSTRUCTION METHOD

Filed 2026-06-11 · Pending The official file ↗ · Art unit · BEIJING PETROLEUM MACHINERY CO., LTD · HOFFMAN WARNICK LLC

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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