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US Patent 7281768 Manufacturing method and apparatus of brush

Patent 7281768 was granted and assigned to Kao Corporation on October, 2007 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 11944189 Method for producing a toothbrush head or a part thereof
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Patent Citations Received
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US Patent 11832717 Method for producing a toothbrush head
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Patent Inventor Names
Hisao Sato0
Kenichi Okabe0
Shunji Kimura0
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Patent abstract

A method of manufacturing a brush includes inserting bristles into bristles insertion holes, and implanting the bristles in a resin material. The inserting further includes preparing sleeves corresponding to cross sectional shapes and cross sectional areas of the bristles insertion holes; introducing the bristles into the sleeves; and independently inserting the bristles within each of the sleeves to the corresponding bristles insertion holes.

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US Patent 07281768 Manufacturing method and apparatus of brush US Patent 7281768 Manufacturing method and apparatus of brush

Infobox
Patent Number
072817680
Patent Number
72817680
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072817680
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Infobox
Is a
Patent
Patent
0
Current Assignee
Kao Corporation
Kao Corporation
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
072817680
Date of Patent
October 16, 2007
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Patent Application Number
103706110
Date Filed
February 24, 2003
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072817680
Patent Primary Examiner
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Randall Chin
0
Edits on 17 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07281768
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 US Patent 07281768 Manufacturing method and apparatus of brush

Infobox
Is a
Patent
Patent
Current assignee
Kao Corporation
Kao Corporation
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07281768
Date of patent
October 16, 2007
Patent application number
10370611
Date Filed
February 24, 2003
Patent primary examiner
‌
Randall Chin

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