sentences:  There were plans to rejuvenate (again) the appearance of the big Chenard & Walcker "Aigle 22CV" model for 1939, giving it a raked grille, but this came to nothing and car production finally ceased in 1939 or 1940.In April 1940 an advertisement for the company's Matford based passenger cars appeared in the French-language version of a leading Swiss based , but by this time the company appears to have been finishing up existing stocks of new cars rather than building more.In September 1939 France declared war on Germany and in June 1940 the German Army rapidly invaded and occupied Northern France.