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.)
Christianus Cornelis Van Elderen
Cornelis Antonius Van Elderen
Johannus Martinus Van Elderen
Original Assignee
Christianus Cornelis Van Elderen
Cornelis Antonius Van Elderen
Johannus Martinus Van Elderen
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 Christianus Cornelis Van Elderen, Cornelis Antonius Van Elderen, Johannus Martinus Van ElderenfiledCriticalChristianus Cornelis Van Elderen
Priority to ES105010UpriorityCriticalpatent/ES105010Y/en
Publication of ES105010UpublicationCriticalpatent/ES105010U/en
Application grantedgrantedCritical
Publication of ES105010YpublicationCriticalpatent/ES105010Y/en
Folding ladder characterized by the fact of comprising an inverted U-shaped profile to which are articulated some struts by points arranged in an area close to its closed part and whose frame is fixed by its internal sides a plurality of transverse steps as well as a upper end platform which, on its front edge, is articulated on a transverse bar with ends fixed on the branches of the profile, while on the opposite edge it rests on another bar opposite to the previous one disposed transversely between the support elements and whose platform is maintained circumstantially immobilized by means of a knee joint for the release of which a previous pressure is required. (Machine-translation by Google Translate, not legally binding)