Hydraulic jack
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Description
Claims
The ornamental design for a hydraulic jack, as shown and described.
Referenced Cited
Patent History
Patent number: D571072
Type: Grant
Filed: Jun 8, 2007
Date of Patent: Jun 10, 2008
Assignee: (Zhejiang)
Inventors: Shuyong Kong (Zhejiang), Changgen Jiang (Zhejiang), Jihui Wang (Zhejiang)
Primary Examiner: Cynthia E Ramirez
Attorney: David and Raymond Patent Firm
Application Number: 29/288,352
Type: Grant
Filed: Jun 8, 2007
Date of Patent: Jun 10, 2008
Assignee: (Zhejiang)
Inventors: Shuyong Kong (Zhejiang), Changgen Jiang (Zhejiang), Jihui Wang (Zhejiang)
Primary Examiner: Cynthia E Ramirez
Attorney: David and Raymond Patent Firm
Application Number: 29/288,352
Classifications
Current U.S. Class:
Jack Or Jackstand (D34/31)