Cog Wheels for Model and Toy Building Sets
GB 1065932. Application: 1 March 1965. Granted: 19 Apr 1967

Detail, page 4 of 4.

Patent family:

Zahnrad für Modell-bzw. Spielzeugbausätze. DE 1478283. 20 Feb 1969.

Cog Wheels for Model and Toy Building Sets. GB 1065932. 19 Apr 1967.

Cog Wheels for a Model Building Set having Evenly Spaced Projections. US 3461601. 19 Aug 1969.