US Patent 7207083 Electric vacuum cleaner
Patent 7207083 was granted and assigned to Hitachi on April, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Hirofumi Tanaka0
Koichi Umezawa0
Kyouichi Kanno0
Naofumi Kitagawa0
Naruhiko Suzuki0
Shoji Hayashi0
Susumu Sato0
Yasunori Kotaka0
Yasuyuki Hiruta0
Yukiji Iwase0
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Patent abstract
The electric vacuum cleaner is disclosed which includes a main body within which an electric blower and cyclonic separation cylinder are provided. A dust collecting case is provided in communication with the cyclonic separation cylinder to receive dust that has been separated from the inlet tube. The dust collecting case also includes a lifter arranged therein. Air received from the inlet tube is separated such that a portion is passed through the dust collecting case and a communicating passage. The air is subsequently merged and discharge through the electric blower.
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US Patent 07207083 Electric vacuum cleaner US Patent 7207083 Electric vacuum cleaner
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Patent Number
072070830
Patent Number
72070830
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
072070830
Date of Patent
April 24, 2007
0Patent Application Number
103720870
Date Filed
February 25, 2003
0Official Website
Patent Primary Examiner
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US Patent 07207083 Electric vacuum cleaner
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07207083
Date of patent
April 24, 2007
Patent application number
10372087
Date Filed
February 25, 2003
Patent primary examiner
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