Opera hat described as: Some sources have taken this to describe an early folding top hat, although it is not explicitly stated whether Dollman's design was specifically for male or female headgear. Dollman's patent expired in 1825. Operating from Poissy, Paris, France, around 1840, Antoine Gibus's design for a spring-loaded collapsible top-hat proved so popular that hats made to it became known as "gibus". They were also often called "opera hats" due to the common practice of storing them in their flattened state under one's seat at the opera, though the term can also refer to any tall formal men's hat. The
Chapeau, Quebec Chapeau, Quebec Chapeau is a village in the Canadian province of Quebec, located along the Culbute Channel of the Ottawa River in the municipality of L'Isle-aux-Allumettes in Pontiac Regional County Municipality. There is speculation as to the real origin of the name "Chapeau" (French for "hat"). It has been hypothesized that geography of the village vaguely resembles the shape of a hat with three flat edges. Or the name may come from a rock in the Ottawa River in the form of a French military headgear. According to other sources, Chapeau recalls a bizarre hairdo of a Native American chief.