US Patent 8387309 Automatic waterproof gate
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Patent abstract
A waterproof gate includes a door frame, two side rails mounted on two opposite sides of the door frame, a waterproof door movably mounted between the two side rails, at least one sealing gasket mounted on the waterproof door, and at least one waterproof strip mounted between the waterproof door and the door frame. Thus, when the water level exceeds a preset value, the waterproof door is moved down to press the ground tightly so that the waterproof door blocks the door frame so as to provide a waterproof effect to the door frame.
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Patent Inventor Names
Lung-Yuan Tseng0
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US Patent 08387309 Automatic waterproof gate US Patent 8387309 Automatic waterproof gate
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Patent Number
083873090
Patent Number
83873090
Edits on 23 Mar, 2023
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Patent Jurisdiction
Patent Number
083873090
Date of Patent
March 5, 2013
0Patent Application Number
128332040
Date Filed
July 9, 2010
0Patent Primary Examiner
Edits on 16 Dec, 2021
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US Patent 08387309 Automatic waterproof gate
Infobox
Is a
Patent jurisdiction
Patent number
08387309
Date of patent
March 5, 2013
Patent application number
12833204
Date Filed
July 9, 2010
Patent primary examiner
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