AU446158B2 - Telescoping drilling device - Google Patents

Telescoping drilling device

Info

Publication number
AU446158B2
AU446158B2 AU39581/68A AU3958168A AU446158B2 AU 446158 B2 AU446158 B2 AU 446158B2 AU 39581/68 A AU39581/68 A AU 39581/68A AU 3958168 A AU3958168 A AU 3958168A AU 446158 B2 AU446158 B2 AU 446158B2
Authority
AU
Australia
Prior art keywords
drilling device
telescoping
telescoping drilling
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
AU39581/68A
Other versions
AU3958168A (en
Inventor
Douglas Tipton Joe
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.)
Gardner Denver Inc
Original Assignee
Gardner Denver Inc
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
Application filed by Gardner Denver Inc filed Critical Gardner Denver Inc
Application granted granted Critical
Publication of AU446158B2 publication Critical patent/AU446158B2/en
Publication of AU3958168A publication Critical patent/AU3958168A/en
Expired legal-status Critical Current

Links

AU39581/68A 1967-10-05 1968-06-24 Telescoping drilling device Expired AU446158B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS673,066 1967-10-05

Publications (2)

Publication Number Publication Date
AU446158B2 true AU446158B2 (en) 1970-01-08
AU3958168A AU3958168A (en) 1970-01-08

Family

ID=

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