US Patent 8727451 Rotatable grading pick with debris clearing feature
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Patent abstract
A rotatable grading pick has a head portion, a shank portion extending rearwardly from the head portion, and a polygonal portion on the rotatable grading pick. At least a portion of the outer perimeter of the polygonal portion can be engaged by a tool so that the polygonal portion can be rotated, and the shank portion can be rotated to clear debris between the shank portion and a retainer placed around a part of the shank portion.
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US Patent 08727451 Rotatable grading pick with debris clearing feature US Patent 8727451 Rotatable grading pick with debris clearing feature
Infobox
Patent Number
0872745100
Patent Number
872745100
Edits on 26 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
087274510
Date of Patent
May 20, 2014
0Patent Application Number
131897670
Date Filed
July 25, 2011
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
087274510
Date of Patent
May 20, 2014
0Patent Application Number
131897670
Date Filed
July 25, 2011
0Official Website
Patent Primary Examiner
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US Patent 08727451 Rotatable grading pick with debris clearing feature
Infobox
Is a
Patent jurisdiction
Patent number
08727451
Date of patent
May 20, 2014
Patent application number
13189767
Date Filed
July 25, 2011
Patent primary examiner
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