EP0243401A4

System and method for controlled directional drilling.

Abstract

This record has no abstract on file.

Term

Term ended

Projected expiry passed 23 September 2006, 20 years ago.

Every citation, both waysCites: the store holds 0 of 1

Citations
Reference	Relation	Cited during
No relevant documents have been disclosed.	Non-patent	Search report
See also references of WO 8702408A1	Non-patent	Search report

12 members in 8 offices

This recordMember, by publication datePriority claim

Priority claims2

Priority claims
Document	Office	Kind	Date
78681785	United States of America	A	1985-10-11
US19850786817	–	–	–

Members12

Family members, oldest first
Document	Office	Kind
GR862459B	Greece	B	1987-02-03
WO8702408A1	World Intellectual Property Organization (WIPO)	A1	1987-04-23
US4667751A	United States of America	A	1987-05-26
NO872419D0	Norway	D0	1987-06-10
BR8604960A	Brazil	A	1987-07-14
BR8604960A	Brazil	A	1987-07-14
NO872419L	Norway	L	1987-08-10
EP0243401A1	European Patent Office (EPO)	A1	1987-11-04
EP0243401A4This record	European Patent Office (EPO)	A4	1988-07-14
ES2002836A6	Spain	A6	1988-10-01
CA1260453A	Canada	A	1989-09-26
USRE33751E	United States of America	E	1991-11-26

10 legal events, as the office reported them to INPADOC

Over the term

Point at a mark for the event

Events

Legal events, newest first
	Event	Code
2007-08-08	Information on inventor provided before grant (corrected)RIN1	RIN1
2007-08-08	Information on inventor provided before grant (corrected)RIN1	RIN1
1991-03-13	Application withdrawn (corrected)WithdrawnR18W	R18W
1991-03-06	Application withdrawnWithdrawn18W	18W
1991-01-22	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN WITHDRAWNSTAA	STAA
1989-08-23	First examination report despatched17Q	17Q
1988-08-31	Supplementary search report drawn up and despatchedA4	A4
1987-11-25	Request for examination filed17P	17P
1987-11-04	Designated contracting statesAK	AK
1987-09-19	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI