One of over 700 Paramount Productions, filmed between 1929 and 1949, which were sold to MCA/Universal in 1958 for television distribution, and have been owned and controlled by Universal ever since.
When the dog comes out into the alley and looks up at the ape/monster the camera pans up the side of the apartment building. However, mid-pan the scene apparently jumps to another shot/location as there is a break in the pan.