US Patent D866268 Portable heat preservation lunch box
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Patent Citations Received
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Patent Inventor Names
Jingtao Tan0
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US Patent D0866268 Portable heat preservation lunch box US Patent D866268 Portable heat preservation lunch box
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Patent Number
D08662680
Patent Number
D8662680
Edits on 29 Mar, 2023
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Is a
Patent Jurisdiction
Patent Number
D08662680
Date of Patent
November 12, 2019
0Patent Application Number
296449630
Date Filed
April 23, 2018
0Patent Primary Examiner
Edits on 30 Jan, 2022
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US Patent D0866268 Portable heat preservation lunch box
Infobox
Is a
Patent jurisdiction
Patent number
D0866268
Date of patent
November 12, 2019
Patent application number
29644963
Date Filed
April 23, 2018
Patent primary examiner
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