United States Patent 2704529
US Patent References:
/0412391.html
- - 0412391

/0861607.html
- - 0861607

Ice boat
- - 1692354

Hydro-speed ship
- - 1815303

Hydroplane
- - 1852680


Publication Date:
03/22/1955
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Primary Class:
114/283
Other Classes:
114/274
International Classes:
B63B1/20; B63B1/16
US Patent References:
2564587Watercraft