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.)
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.)
GILBURY Co Ltd
Original Assignee
GILBURY Co Ltd
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 GILBURY Co LtdfiledCriticalGILBURY Co Ltd
Priority to ES463764ApriorityCriticalpatent/ES463764A3/en
Publication of ES463764A3publicationCriticalpatent/ES463764A3/en
Perfections introduced in a composite wall board comprising a wallboard board, as defined above, having firmly attached to one of the main faces thereof a layer of expanded plastic material, totally enclosed in a coating of bituminous material, which also serves to provide the unión between the layer and the board. (Machine-translation by Google Translate, not legally binding)
ES463764A1977-11-021977-11-02Improvements introduced in a composite wallboard. (Machine-translation by Google Translate, not legally binding)
ExpiredES463764A3
(en)