Godtfred patented the stud and tube configuration in a number of countries, including most European and North American countries. All of these patents made essentially the same claims and used one of three different sets of drawings. An example of each type is shown below. This was the first of thousands of worldwide utility and design patents for the Lego System.

Denmark

Legetøjsbyggeelement
DK 92683c. Application: 29 Jan 1958. Granted 29 Jan 1962

6 pages, 3 claims. This was later amended by the Danish patent DK98227c, which was filed 9 Mar 1964 and granted 15 Jun 1964.

UK

Improvements Relating to Toy Building Sets
GB 866557. Application: 12 Jan 1959. Granted 26 Apr 1961

7 pages, 17 claims.

US

Toy Building Brick
US 3,005,282. Application: 28 Jul 1958. Granted 24 Oct 1961

4 pages, 7 claims.

Patent family:

Bauelement für Bauspielzeuge. AT211715B. 15 Mar 1960.

Toy Building Sets and Building Blocks. CA629732. 24 Oct 1961.

Bauelement für Bauspielzeuge. CH362354. 31 May 1962.

Bauelement fuer Bauspielzeuge. DE1076007. 15 Feb 1960.

Legetøjsbyggeelement. DK92683. 29 Jan 1962.

Elément pour jeu de construction. FR1206687. 2 Feb 1960.

Toy Building Set. IE23205. 28 Jul 1959.

Elément pour jeu de construction. OA125A. 15 Jan 1966.

Improvements relating to Toy Building Sets. GB866557. 24 Apr 1961.

Toy Building Brick. US3005282. 24 Oct 1961.