Top hat ribs and springs. His patent was 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. In 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
Tyrolean hat the same title. It is said that the Tyrolean hat was the inspiration for the homburg. Tyrolean hat The Tyrolean hat (, ), also Bavarian hat or Alpine hat, is a type of headwear that originally came from the Tyrol in the Alps, in what is now part of Austria, Germany, Italy and Switzerland. A typical Tyrolean hat originally had a crown tapering to a point and was made of green felt with a brim roughly the width of a hand, something that was especially common in the Zillertal. There are various forms of Tyrolean hat. Frequently the hats are