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.
1 The average price of a violin bow is $30, which can be shown in bows such as the Glasser Fiberglass Bow. 2  You can also buy only the hair to repair your violin bow instead of replacing the entire thing. 3  This will cost $5-$10.ow much is it? 1  A violin bow can cost as little as $10 or as much as $80. 2  You can also buy only the hair to repair your violin bow instead of replacing the entire thing. 3  For example, the Full-size 4/4 Pernambuco Nickel/Silver Violin bow retails for $37 to $80.