slide 2 of 6. When most people ask 'how long does a patent last', they are inquiring about utility patents. A utility patent is the patent granted for new machines, processes, products, and scientific formulas such as medicines or new elemental compounds.
The Stick. The largest part of the violin bow is the stick,with the best ones made of Pernambuco wood from Northeast Brazil, although carbon fiber is another quality choice.he Hair. The hair is the part of the violin bow that touches the strings and produces sound. Horse-hair is the traditional favorite, but synthetic hairs are also used for cheaper bows.
The Compound Bow, unlike other traditional bows like the Longbow or the Recurve, which were both made of one piece of wood, the Compound Bow is a more sleek, advanced version of the traditional instrument. When disassembled, the bow can fit into a single tube, and is very light, only weighing about six pounds.