US Patent 7891274 High strength fastener system
Patent 7891274 was granted and assigned to Phillips Screw Company on February, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A fastener system is constructed wherein the installation and removal drive surfaces intersect an enlarged core diameter in a transitional surface that extends between the installation and removal surfaces of adjacent wings. The transitional surface has a concave form that conforms to the core diameter. The projections of the driver in the system are formed in a blunt shape.
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Patent Citations Received
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US Patent 07891274 High strength fastener system US Patent 7891274 High strength fastener system
Infobox
Patent Number
0789127400
Patent Number
789127400
Edits on 25 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078912740
Date of Patent
February 22, 2011
0Patent Application Number
122314590
Date Filed
September 3, 2008
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078912740
Date of Patent
February 22, 2011
0Patent Application Number
122314590
Date Filed
September 3, 2008
0Official Website
Patent Primary Examiner
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US Patent 07891274 High strength fastener system
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07891274
Date of patent
February 22, 2011
Patent application number
12231459
Date Filed
September 3, 2008
Patent primary examiner
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