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Patent details

124290 Title: Appareil de forage.

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Basic information

Application number:
843022252
WO application number:
Type:
European patent granted for BE
Status:
Publication number:
124290
WO publication number:
1rst applicant's nationality:
Translation language:
French
EPO publication language:
English
SPC number:

Dates

Filing date:
30/03/1984
Grant date:
01/06/1988
EP publication date:
WO publication date:
Claims translation received date:
Translation received date (EP publication B1):
02/06/1988
Translation received date (EP publication B2):
Translation received date (EP publication B3):
Registration date:
EP B1 publication date:
01/06/1988
EP B2 publication date:
EP B3 publication date:
Lapsed date:
31/03/1994
Expiration date (if granted and all annual fees paid):

Applicant

Name:
BRITISH INDUSTRIAL SAND LIMITED
Legal Form:
From:
01/06/1988
Address:
Holmethorpe Redhill Surrey(GB), GB
To:

Priority

Priority patent number:
8309016
Priority date:
31/03/1983
Priority country:
United Kingdom (GB)

Classification

IPC or IDT classification:
E21B 21/12 ; E21B 21/10 ; E21B 10/60;

Annual fee

Annual fee(s) Due Date:
Annual fee number:
Expected payer:
Last annual fee payment date:
04/05/1993
Last annual fee paid number:
Payer:

Additional information section

Status:
Case kind / Max duration / Publication code:
Basic patent details (Patent law 1854):
Representative details:
GULLBERG Yvonne-GEVERS-Holidaystraat 5 - B 1831 DIEGEM
Inventor(s) details:
Hughes, Philip Martin;McHugh, Michael William;
History of owners:
Filing date Document type Publication Type Document Description Number of pages
02/06/1988 General Document (TP - T:Traduction Originale plus Pouvoir) 23 /0/9/2/4/2/0510124290/migrated-docs/843022252_1_538155.pdf