Gummo Marx a number of writers, and was well respected as a businessman. He rarely required contracts, believing that if the people he represented liked his work, they would stay with him; and if not, would seek representation elsewhere. Around the time he left his brothers' Vaudeville act, Marx applied for a patent for a clothes packing rack. On October 28, 1919, Marx was granted patent US1320335A. Gummo may have received his nickname because he had a tendency to be sneaky backstage, creeping up on others like a "gumshoe" (detective). Another explanation cited by biographers and family members is that Milton, the
Marx Brothers of "The Big Store" the team announced they were retiring from the screen. Four years later, however, Chico persuaded his brothers to make two additional films, "A Night in Casablanca" (1946) and "Love Happy" (1949), to alleviate his severe gambling debts. Both pictures were released by United Artists. From the 1940s onward Chico and Harpo appeared separately and together in nightclubs and casinos. Chico fronted a big band, the Chico Marx Orchestra (with 17-year-old Mel Tormé as a vocalist). Groucho made several radio appearances during the 1940s and starred in "You Bet Your Life", which ran from 1947 to 1961