Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alessandro Piretti0
Date of Patent
March 26, 2024
0Patent Application Number
178303970
Date Filed
June 2, 2022
0Patent Citations
...
Patent Primary Examiner
CPC Code
Patent abstract
A chair having a backrest having an upper backrest section and a lumbar section, wherein the lumbar section is provided with a plurality of perforations and is elastically deformable to allow a backward tilting movement of the upper backrest section under a backward thrust applied from a user's back, and wherein the perforations stop the backward tilting movement of the upper backrest section in a position of maximum backward tilt of the upper backrest section.
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