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 - Lifetime
Application number
AU25736/49A
Original Assignee
present invention relates to bricks the sidewalls ofthe interfitting bricks are for making self-supporting ceilings, enabl likewise beveled either throughout their ing self-supporting ceilings of far greater length or only ona part oftheir
Filing date
Publication of AU141990B2publicationCriticalpatent/AU141990B2/en
Application filed by present invention relates to bricks the sidewalls ofthe interfitting bricks are for making self-supporting ceilings, enabl likewise beveled either throughout their ing self-supporting ceilings of far greater length or only ona part oftheirfiledCriticalpresent invention relates to bricks the sidewalls ofthe interfitting bricks are for making self-supporting ceilings, enabl likewise beveled either throughout their ing self-supporting ceilings of far greater length or only ona part oftheir
AU25736/49A1949-02-07An improved brick forthe building of self-supporting ceiling structures and method of laying thesame
Expired - LifetimeAU141990B2
(en)