DC booster
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Description
It is understood that the broken cables show an undetermined length
The broken lines showing are for illustrative purposes and form no part of the claimed design.
Claims
The ornamental design for a DC booster, as shown and described.
Referenced Cited
Patent History
Patent number: D575228
Type: Grant
Filed: Dec 31, 2007
Date of Patent: Aug 19, 2008
Assignee: Combotronic Limited (Shaukiwan)
Inventor: Kam Wah So (Shaukiwan)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Duane Morris LLP
Application Number: 29/299,640
Type: Grant
Filed: Dec 31, 2007
Date of Patent: Aug 19, 2008
Assignee: Combotronic Limited (Shaukiwan)
Inventor: Kam Wah So (Shaukiwan)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Duane Morris LLP
Application Number: 29/299,640
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)