(under subclass 56.1) Subject matter wherein a particular structural aspect (e.g., shape, contour, cross-section) of that part of the hull which is below the waterline from bilge to bilge is detailed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
61.2+, for a specifically defined hull shape of a marine vehicle having multiple displacement hulls.
65+, for the construction of the hull of a marine vehicle or of a nonhull marine vehicle component (e.g., cabin, bulkhead,
decking, etc.).
271+, for specific details of a planing-type hull.
290+, for a ship keel, per se.
355+, for a method for constructing or making the hull of a boat or the structure of the boat hull. SEE OR SEARCH CLASS
