Application

13096579 · STEM SHOULDER SEAL WITH DOUBLE RINGS AND AN ASSEMBLY OF INDEPENDENT DUAL STEM SEALS

Filed 2011-04-28 · Granted · Patent 8439330 (2013-05-14) The official file ↗The patent and its PDF ↗ · Art unit 3753 · Examiner Time O Aigbe Typical · CPC F16K 5/0694 · ZHEJIANG CHINA VALVE CO., LTD. · HSML P.C.

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

11.9 mo

to disposition 24.5 mo

Statutes raised

112

1 actions read

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