Coupling device for a toy building set

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Description

FIG. 1 is a front right perspective view of the coupling device for a toy building set; and,

FIG. 2 is a back lower perspective view of the coupling device for a toy building set.

Referenced Cited
U.S. Patent Documents
D35172 October 1901 McCarty
D252365 July 17, 1979 Durham, III
D260103 August 4, 1981 Appel et al.
D272454 January 31, 1984 Boudreaux
D285226 August 19, 1986 Kassai
D311680 October 30, 1990 Miall
2703724 March 1955 Yuen et al.
4291512 September 29, 1981 Walton
4352255 October 5, 1982 Warehime
5378077 January 3, 1995 Paulsen
Patent History
Patent number: D428075
Type: Grant
Filed: Jan 4, 1999
Date of Patent: Jul 11, 2000
Assignee: Megamec AB (Goteborg)
Inventors: Ingvar Javer (Gothenburg), Claes Nordenstam (Gothenburg)
Primary Examiner: Raphael Barkai
Law Firm: Dvorak & Orum
Application Number: 0/98,675
Classifications
Current U.S. Class: Curved Surface (D21/503)
International Classification: 2101;