Patent details
EP0124290
Title:
Drilling apparatus.
Basic Information
- Publication number:
- EP0124290
- PCT Application Number:
- Type:
- European Patent Granted for LU
- Legal Status:
- Lapsed
- Application number:
- EP843022252
- PCT Publication Number:
- First applicant's nationality:
- Translation Language:
- EPO Publication Language:
- English
- English Title of Invention:
- Drilling apparatus.
- French Title of Invention:
- Appareil de forage.
- German Title of Invention:
- BohrgerÄt.
- SPC Number:
-
Dates
- Filing date:
- 30/03/1984
- Grant date:
- 01/06/1988
- EP Publication Date:
- 01/06/1988
- 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:
- 07/11/1984
- EP B1 Publication Date:
- 01/06/1988
- EP B2 Publication Date:
- EP B3 Publication Date:
- Lapsed date:
- 31/03/1989
- Expiration date:
- 30/03/2004
- Renunciation date:
- Revocation date:
- Annulment date:
Owner
- From:
- 30/03/1984
-
-
- Name:
- BRITISH INDUSTRIAL SAND LIMITED
- Address:
- Holmethorpe, Redhill, Surrey, United Kingdom (GB)
Inventor
1
- Name:
- McHugh Michael William
- Address:
- United Kingdom (GB)
2
- Name:
- Hughes Philip Martin
- Address:
- United Kingdom (GB)
Priority
- Priority Number:
- 8309016
- Priority Date:
- 31/03/1983
- Priority Country:
- United Kingdom (GB)
Classification
- Main IPC Class:
-
E21B 21/12;
Filing date |
Document type |
Number of pages |