main body of the staircase

Abstract

1. The name of the design product: the main body of the stairs. 2. The use of the design product: the main use of the design patent is to build the concrete assembled building stairs. 3. The design points of the design product: the shape of the solid line part. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Assembly description: the assembly is the combination of the design scheme, component 3 in design 1 is the same as design 2, 3, 4, and the same design as component 3 in design 1 is omitted in design 2, 3, 4. 7. Other matters: this design patent application is a partial design patent application, and the design is a partial design, where the solid line part is the protected content, and the dashed line part is the unprotected content.

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