AU744870C - Extension drilling system - Google Patents

Extension drilling system

Info

Publication number
AU744870C
AU744870C AU69804/98A AU6980498A AU744870C AU 744870 C AU744870 C AU 744870C AU 69804/98 A AU69804/98 A AU 69804/98A AU 6980498 A AU6980498 A AU 6980498A AU 744870 C AU744870 C AU 744870C
Authority
AU
Australia
Prior art keywords
drilling system
extension drilling
extension
drilling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU69804/98A
Other versions
AU744870B2 (en
AU6980498A (en
Inventor
Michael Andrew Mclean
Steven Lee Weaver
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Intellectual Property AB
Original Assignee
Sandvik Intellectual Property AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25636048&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU744870(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AUPO7260A external-priority patent/AUPO726097A0/en
Application filed by Sandvik Intellectual Property AB filed Critical Sandvik Intellectual Property AB
Priority to AU69804/98A priority Critical patent/AU744870C/en
Publication of AU6980498A publication Critical patent/AU6980498A/en
Application granted granted Critical
Publication of AU744870B2 publication Critical patent/AU744870B2/en
Assigned to SANDVIK INTELLECTUAL PROPERTY HB reassignment SANDVIK INTELLECTUAL PROPERTY HB Alteration of Name(s) in Register under S187 Assignors: SANDVIK AB
Assigned to SANDVIK INTELLECTUAL PROPERTY AB reassignment SANDVIK INTELLECTUAL PROPERTY AB Alteration of Name(s) in Register under S187 Assignors: SANDVIK INTELLECTUAL PROPERTY HB
Publication of AU744870C publication Critical patent/AU744870C/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

AU69804/98A 1997-06-11 1998-05-29 Extension drilling system Expired AU744870C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU69804/98A AU744870C (en) 1997-06-11 1998-05-29 Extension drilling system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPO7260A AUPO726097A0 (en) 1997-06-11 1997-06-11 Extension drilling system
AUPO7260 1997-06-11
AU69804/98A AU744870C (en) 1997-06-11 1998-05-29 Extension drilling system

Publications (3)

Publication Number Publication Date
AU6980498A AU6980498A (en) 1998-12-17
AU744870B2 AU744870B2 (en) 2002-03-07
AU744870C true AU744870C (en) 2006-09-28

Family

ID=25636048

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69804/98A Expired AU744870C (en) 1997-06-11 1998-05-29 Extension drilling system

Country Status (1)

Country Link
AU (1) AU744870C (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773490A (en) * 1985-11-22 1988-09-27 Mcsweeney Lawrence H Roof drilling system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773490A (en) * 1985-11-22 1988-09-27 Mcsweeney Lawrence H Roof drilling system

Also Published As

Publication number Publication date
AU744870B2 (en) 2002-03-07
AU6980498A (en) 1998-12-17

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired