US Patent D677436 Welding helmet feature contour
Patent D677436 was granted and assigned to 3M on March, 2013 by the United States Patent and Trademark Office.
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Patent Citations Received
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Edits on 21 Sep, 2023
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Patent Inventor Names
Björn Daniels0
Martin Birath0
Oskar Juhlin0
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US Patent D0677436 Welding helmet feature contour US Patent D677436 Welding helmet feature contour
Infobox
Patent Number
D067743600
Patent Number
D67743600
Edits on 26 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
D06774360
Date of Patent
March 5, 2013
0Patent Application Number
294281000
Date Filed
July 26, 2012
0Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
D06774360
Date of Patent
March 5, 2013
0Patent Application Number
294281000
Date Filed
July 26, 2012
0Patent Primary Examiner
Edits on 16 Dec, 2021
Golden AI
Edits made to:
Infobox (+8 properties)
US Patent D0677436 Welding helmet feature contour
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
D0677436
Date of patent
March 5, 2013
Patent application number
29428100
Date Filed
July 26, 2012
Patent primary examiner
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