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
Inventor
Karl Heinrich Georg Fracke
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
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 IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190204331ApublicationCriticalpatent/GB190204331A/en
Mattresses And Other Support Structures For Chairs And Beds
(AREA)
Abstract
4331. Fracke, K. H. G. Feb. 20. Bedsteads; mattresses.-Relates to a frame for supporting a mattress on a bedstead. The frame consists of two rectangular frames c pivoted at their centres d and having their end bars a connected by pins and slots to crossed bars f pivoted at their centres e. Springs i tend to open the frame. Pressure on one edge or corner of the mattress will cause the whole surface to descend at a uniform level.
GB190204331D1902-02-201902-02-20Improvements in Mattresses.
ExpiredGB190204331A
(en)