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Threaded Connection - EP3234298

The patent EP3234298 was granted to Nippon Steel on May 1, 2019. The application was originally filed on Dec 16, 2015 under application number EP15810657A. The patent is currently recorded with a legal status of "Revoked".

EP3234298

NIPPON STEEL
Application Number
EP15810657A
Filing Date
Dec 16, 2015
Status
Revoked
Jan 22, 2025
Grant Date
May 1, 2019
External Links
Slate, Register, Google Patents

Patent Summary

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HYDRILJan 31, 2020BOULT WADE TENNANTADMISSIBLE

Patent Citations (15) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTFR2939861
INTERNATIONAL-SEARCH-REPORTUS6543816
INTERNATIONAL-SEARCH-REPORTWO2011060894
OPPOSITIONUS2002027363
OPPOSITIONUS2006145480
OPPOSITIONUS5415442
OPPOSITIONUS6543816
OPPOSITIONWO0206715
OPPOSITIONWO0235128
OPPOSITIONWO2004109173
OPPOSITIONWO2011060894
OPPOSITIONWO2012025461
OPPOSITIONWO2014044773
OPPOSITIONWO2014187873
OPPOSITIONWO9947785

Non-Patent Literature (NPL) Citations (1) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- "Specification for threading gauging, and thread inspection of casing, tubing, and line pipe threads (U.S. Customary units)", API specification standard 5B, (19960801), XP055679995-

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Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

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