702. Exhibitions.

The registration of an old design1 is not invalidated, by reason only:


    (1)     that a representation of the design, or any article2 to which the design had been applied, had been displayed, with the consent of the proprietor3 of the design, at an exhibition certified by the Secretary of State4 for this purpose5;


    (2)     that after any such display and during the period of the exhibition a representation of the design or any such article had been displayed by any person without the consent of the proprietor