Class 404/41 - Interfitting

Subclass of Class 404 - Road structure, process, or apparatus
Definition: Preformed module structure wherein individual modules include
No. of patents: 205
Last issue date: 03/13/2012

Number	Title	Issue Date
3960375	Element for use in making a playing surface An element for use in making a playing surface, particularly an out door tennis court. The element is, for example, a square of 10 cm side, two sides having hooks and two having loops. A series of elements can be laid side-by-side with a hook of one eleme...	06/01/1976
3959542	Artificial ski matting An artificial ski matting wherein a plurality of ski mats may be interlocked to form an artificial skiing surface. Each mat includes a base ski support surface and an plurality of spaced pegs having flexible "fluff" fingers on each peg. A second plurality...	05/25/1976
3947192	Paving block A paving block having sides which are shaped to provide an interlocking tooth engagement between the complementary sides of adjacent blocks when laid. Such engagement counteracts shifting of the laid blocks when loads are applied thereto....	03/30/1976
3931700	Surfaces produced by interlocking members A member which when disposed in a plane in abutting relationship with a plurality of other members defines a planar surface which will remain flat when pressure is applied along the thickness from two opposed directions. The member takes the form of a bod...	01/13/1976

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