Amazing the Warner Bros. or Leon Schlesinger Productions ( cartoons were released but not owned by Warner Bros until 1944) were willing to spend the money to animate that clip for a private party.
Rob_Ray said: ↑
Throw a seven minute cartoon onto the front of every Warner Bros. theatrical DCP to keep the characters visible in the culture.
Unfortunately this would take time away from all the advertising currently running in theaters. When these cartoons were new in addition to the...