Fleischer received another patent in the 1930s for his Stereotipical Process, a three-dimensional background effect. To create this effect, a circular diorama was placed behind the main action cells and rotated a click with each frame, creating a dramatic sense of depth. For several years, Fleischer pushed Paramount Studio (which provided financial support) to allow him to create full-length animated features. It wasn’t until after the success of Disney’s Snow White and the Seven Dwarfs that they agreed. Fleischer’s first animated feature was 1939s Gulliver’s Travels. While it was a moderate success, it failed to make back all of its production costs. His second feature, Mr. Bug Goes to Town, fared even worse, as it was released just two days before the bombing of Pearl Harbor. One success during this period was Superman. Paramount had wanted to capitalize the comic’s success with a cartoon series. However Fleischer was busy working on his two films and didn’t want his staff to be overworked. So he asked for a budget of $100,000 – about four times the usual budget of one of their shows. To his surprise the studio entered into negotiations, settling at $50,000 per short. In spite of his initial objections, Fleischer committed his team to the Superman cartoon, which proved to be one of the studio’s most popular. It featured very realistic drawing and intricate scoring seldom-seen at the time. The first episode was even nominated for an Academy Award, but lost to a Disney cartoon. As an interesting side-note, the Fleischers introduced Superman’s ability to fly. In the comics he could leap from place to place, but they thought this looked silly in animation, so they got permission to make him fly.