US Patent 7644524 Walk-behind trenching machine
Patent 7644524 was granted and assigned to Toro on January, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A walk-behind trenching vehicle incorporating a trenching boom with an endless trenching chain. The trenching boom may be connected to a forward end of the vehicle via a pivot joint that is offset from a drive axis of the trenching chain. The boom may be movable between an operating position and a transport position via a single actuator, e.g., hydraulic cylinder.
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Patent Inventor Names
Glenn D. Liubakka0
John P. Azure0
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US Patent 07644524 Walk-behind trenching machine US Patent 7644524 Walk-behind trenching machine
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Patent Number
076445240
Patent Number
76445240
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Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
076445240
Date of Patent
January 12, 2010
0Patent Application Number
119003940
Date Filed
September 11, 2007
0Official Website
Patent Primary Examiner
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US Patent 07644524 Walk-behind trenching machine
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07644524
Date of patent
January 12, 2010
Patent application number
11900394
Date Filed
September 11, 2007
Patent primary examiner
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