Patent ID: 7458186
Filing Date: 2008-12-02
Classification: A63H,E04B

Abstract:
1. An igloo-shaped structure for use as a toy or a portable shelter, comprising: a plurality of first rectangular blocks, each first rectangular block having a defined length and width, and having a rectangular shaped trough and a rim surrounding the trough, the rim having adjacent each corner of the first rectangular blocks a pin for engaging a fastening plate; and a plurality of second rectangular blocks, each second rectangular block having a defined length and width less than the length and width of the first rectangular blocks, a rectangular trough, and having a rim surrounding the trough, the rim having at adjacent each corner of the second rectangular blocks a pin for engaging a fastening plate; a plurality of curved trapezoidal top pieces to form a dome atop the igloo-shaped structure, each curved trapezoidal top piece including a 15 trapezoidal shaped trough, with a rim surrounding the trough, the rim having adjacent each corner of the curved trapezoidal top pieces a pin of engaging a fastening plate; and a plurality of fastening plates, each fastening plate having a substantially square shape and including an aperture in each of four corners of the fastening plate for capturing or engaging a pin on a rectangular block or a curved trapezoidal top piece; whereby the first and second rectangular pieces and the trapezoidal top pieces join together with the fastening plates to form an igloo-shaped structure.