The house, yard and all furnishings and accessories, are carefully and accurately depicted, as cartoons still appealed to adult cinema audiences in the years before TV. But there were plenty of gags for the kids, too.
One of Claude the cat's trophies is similar to the Academy Award but with a cat instead of a man.
Although the mice are determined to enter Claude's domain, there appears to be an equally nice house across the road behind them, as they discuss logistics of entry.
The psychology book Claude reads is by author Sigmund Fried, a gag on Sigmund Freud.
After Claude throws the catnip bottle out the window, he takes a pledge, presumably of sobriety.