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 Isola Fabrikker AsfiledCriticalIsola Fabrikker As
Priority to NO752695ApriorityCriticalpatent/NO141379B/no
Priority to NO76761933Aprioritypatent/NO144299B/no
Priority to SE7608531Aprioritypatent/SE413605B/xx
Publication of NO752695LpublicationCriticalpatent/NO752695L/no
Publication of NO141379BpublicationCriticalpatent/NO141379B/no
E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
E04D1/12—Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface
E04D1/22—Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface of specified materials not covered by any one of groups E04D1/14 - E04D1/205, or of combinations of materials, where at least one is not covered by any one of groups E04D1/14 - E04D1/205
