SUBMERSIBLE DEVICE FOR LIFTING A BOAT OVER WATER
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United States of America Patent
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Issued Date -
Nov 8, 2018
app pub date -
May 8, 2018
filing date -
May 8, 2018
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Abstract
A submersible device for lifting a boat over water has a couple of pneumatic containers and an air compressor for their inflation and deflation through valves arranged in the pneumatic containers. The pneumatic containers of the couple are interconnected by way of flexible cross members supporting the boat when the pneumatic containers are inflated.
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