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AU240766B2 - Improvements in or relating to manhole covers - Google Patents
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AU240766B2 - Improvements in or relating to manhole covers - Google Patents

Improvements in or relating to manhole covers

Info

Publication number
AU240766B2
AU240766B2 AU50814/59A AU5081459A AU240766B2 AU 240766 B2 AU240766 B2 AU 240766B2 AU 50814/59 A AU50814/59 A AU 50814/59A AU 5081459 A AU5081459 A AU 5081459A AU 240766 B2 AU240766 B2 AU 240766B2
Authority
AU
Australia
Prior art keywords
relating
manhole covers
manhole
covers
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
AU50814/59A
Other versions
AU5081459A (en
Inventor
William Jennings Stanley
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
Filing date
Publication date
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Application granted granted Critical
Publication of AU5081459A publication Critical patent/AU5081459A/en
Publication of AU240766B2 publication Critical patent/AU240766B2/en
Expired legal-status Critical Current

Links

AU50814/59A 1959-07-15 Improvements in or relating to manhole covers Expired AU240766B2 (en)

Publications (2)

Publication Number Publication Date
AU5081459A AU5081459A (en) 1960-01-21
AU240766B2 true AU240766B2 (en) 1960-01-21

Family

ID=

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