US Patent 11439239 Backrest and chair
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Patent Number
114392390
Date of Patent
September 13, 2022
0Patent Application Number
172859870
Date Filed
October 17, 2019
0Patent Citations
Patent Primary Examiner
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US Patent 11439239 Backrest and chair
Article
A backrest includes: a backrest body against which a seated person leans a back thereof, a backrest support positioned behind and supporting the backrest body; and an armrest body provided outside in a width direction of the backrest body and supported by the backrest support so as to move up and down at a position separated from the backrest body. A chair includes the above-described backrest.
Infobox
Is a
Patent Jurisdiction
Patent Number
114392390
Date of Patent
September 13, 2022
0Patent Application Number
172859870
Date Filed
October 17, 2019
0Patent Citations
Patent Primary Examiner
CPC Code
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