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AU112929B2 - Apparatus for opening and closing hinged doors - Google Patents

Apparatus for opening and closing hinged doors

Info

Publication number
AU112929B2
AU112929B2 AU5548/39A AU554839A AU112929B2 AU 112929 B2 AU112929 B2 AU 112929B2 AU 5548/39 A AU5548/39 A AU 5548/39A AU 554839 A AU554839 A AU 554839A AU 112929 B2 AU112929 B2 AU 112929B2
Authority
AU
Australia
Prior art keywords
opening
hinged doors
closing hinged
closing
doors
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
AU5548/39A
Other versions
AU554839A (en
Inventor
Gottreux Trenchard Henry
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 AU554839A publication Critical patent/AU554839A/en
Publication of AU112929B2 publication Critical patent/AU112929B2/en
Expired legal-status Critical Current

Links

AU5548/39A 1939-12-16 Apparatus for opening and closing hinged doors Expired AU112929B2 (en)

Publications (2)

Publication Number Publication Date
AU554839A AU554839A (en) 1941-05-01
AU112929B2 true AU112929B2 (en) 1941-05-01

Family

ID=

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