ALMOND, Judge.
This is an appeal from the decision of the Patent Office Board of Appeals affirming the final rejection under 35 U.S.C. § 103 of claims 1-6 of appellant's application "Sailing Hydrovehicle."
When under sail, the hulls of conventional sailing craft are subjected to "viscous, inertial, and wave drag" as they move through the water. These forces mechanically subtract from the vessel...
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