US2004206290A1PendingUtilityA1

Combination planing and displacement boat hull

39
Priority: Apr 16, 2003Filed: Apr 16, 2003Published: Oct 21, 2004
Est. expiryApr 16, 2023(expired)· nominal 20-yr term from priority
Inventors:Richard D. Morris
B63B 1/16B63B 1/04
39
PatentIndex Score
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Claims

Abstract

An improved boat or ship with a combination planing and displacement hull, fins mounted near the aft section provide increased planing area while still permitting a tapered aft of favorable prismatic ratio for when the boat or ship is in the displacement mode.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A boat or ship with a tapered displacement type hull with a plurality of fins extending near horizontally from the port and starboard aft portion of the hull thereby improving the prismatic ratio and extending the useful area used for planing the boat or ship.  
     
     
         2 . A boat or ship according to  claim 1  wherein the fins are staggered in elevation.

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