Patent details
EP0131622 Title: TUBULAR COUPLING WITH IMPROVED METAL TO METAL SEAL.
Basic Information
- Publication number:
- EP0131622
- PCT Application Number:
- PCT/US/84/00039
- Type:
- European Patent Granted for LU
- Legal Status:
- Lapsed
- Application number:
- EP849007802
- PCT Publication Number:
- WO/84/02948
- First applicant's nationality:
- Translation Language:
- EPO Publication Language:
- English
- English Title of Invention:
- TUBULAR COUPLING WITH IMPROVED METAL TO METAL SEAL.
- French Title of Invention:
- ACCOUPLEMENT TUBULAIRE AVEC JOINT AMELIORE METAL/METAL.
- German Title of Invention:
- ROHRVERBINDUNG MIT VERBESSERTER METALL-GEGEN-METALL-DICHTUNG.
- SPC Number:
Dates
- Filing date:
- 13/01/1984
- Grant date:
- 20/07/1988
- EP Publication Date:
- 20/07/1988
- PCT Publication Date:
- Claims Translation Received Date:
- Translations Received Date (B1 EP Publication):
- Translations Received Date (B2 EP Publication):
- Translations Received Date (B3 EP Publication):
- Publication date:
- 23/01/1985
- EP B1 Publication Date:
- 20/07/1988
- EP B2 Publication Date:
- EP B3 Publication Date:
- Lapsed date:
- 31/01/1989
- Expiration date:
- 13/01/2004
- Renunciation date:
- Revocation date:
- Annulment date:
Owner
- From:
- 13/01/1984
- Name:
- HYDRIL COMPANY
- Address:
- 714 West Olympic Boulevard, Los Angeles California 90015, United States (US)
Inventor
1
- Name:
- REEVES Doyle, E.
- Address:
- United States (US)
2
- Name:
- BLOSE Thomas, L.
- Address:
- United States (US)
3
- Name:
- ORTLOFF Donald, J.
- Address:
- United States (US)
Priority
- Priority Number:
- 458732
- Priority Date:
- 17/01/1983
- Priority Country:
- United States (US)
Classification
- Main IPC Class:
- E21B 17/042;
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