How long is the protection period of the patented bicycle frame?

The protection period of patented bicycle frame is 20 years. According to the bicycle patent inquiry, the patent is valid for 20 years. The protection period of most intellectual property rights is limited. Once the legal protection period is exceeded, the rights will be automatically terminated, and the related intellectual achievements will be brought into the public domain and become public resources available to everyone. According to the relevant laws and regulations of our country, the protection period of invention patent right is 20 years; The protection period of the design patent is 15 years; The protection period of utility model patent right and trademark exclusive right is 10 year, in which the trademark right can be extended.