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AU223555B2 - An improved extension ladder - Google Patents
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AU223555B2 - An improved extension ladder - Google Patents

An improved extension ladder

Info

Publication number
AU223555B2
AU223555B2 AU33262/57A AU3326257A AU223555B2 AU 223555 B2 AU223555 B2 AU 223555B2 AU 33262/57 A AU33262/57 A AU 33262/57A AU 3326257 A AU3326257 A AU 3326257A AU 223555 B2 AU223555 B2 AU 223555B2
Authority
AU
Australia
Prior art keywords
extension ladder
improved extension
improved
ladder
extension
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
AU33262/57A
Other versions
AU3326257A (en
Inventor
Anthony Laiben and Ronald Andrew Sloan Michael
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU223555B2 publication Critical patent/AU223555B2/en
Publication of AU3326257A publication Critical patent/AU3326257A/en
Expired legal-status Critical Current

Links

AU33262/57A 1957-11-25 An improved extension ladder Expired AU223555B2 (en)

Publications (2)

Publication Number Publication Date
AU223555B2 true AU223555B2 (en) 1958-05-29
AU3326257A AU3326257A (en) 1958-05-29

Family

ID=

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