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Class Information
Number: 244/123.2
Name: Aeronautics > Aircraft structure > Airfoil construction > Sparless frame construction
Description: Subject matter in which the airfoil has an internal framework comprising a network of interconnected members that provides substantially all of the rigidity of the airfoil and in which none of the members alone would be capable of providing this rigidity or even providing only the vertical load supporting capacity of the airfoil.

Sub-classes under this class:

Class Number Class Name Patents
244/123.3 Integral frame and skin 47
244/123.4 Open truss/lattice construction 20

Patents under this class:

Patent Number Title Of Patent Date Issued
8100361 Hull structure Jan. 24, 2012
8096503 Structuring construction for an aircraft fuselage Jan. 17, 2012
8083182 Monolithic self-stiffened panels Dec. 27, 2011
7731128 Mobile leading edge flap for a main wing of the aerofoils of an aircraft and main wing provided with such a flap Jun. 8, 2010
4341176 Air foil with reversible camber Jul. 27, 1982

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