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Priority to ES1967134164UpriorityCriticalpatent/ES134164Y/en
Publication of ES134164UpublicationCriticalpatent/ES134164U/en
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Publication of ES134164YpublicationCriticalpatent/ES134164Y/en
Elastic base frame and backrest for seats, consisting essentially of two rigid frames corresponding one to the seat itself and the other to the backrest, each of which has established between two rigid beams, a series of monofilar springs, arranged parallel between yes, following the appropriate contour and with its ends anchored on those frames, whose springs present a series of flexion and extension loops, located in different points and planes, the assembly determining an elastic support bed in the respective zones. (Machine-translation by Google Translate, not legally binding)
ES1967134164U1967-11-081967-11-08
ELASTIC BASE FRAME AND BACK FOR SEATS.
ExpiredES134164Y
(en)