A new electric fan was invented. How to apply for a patent?

1, apply to the local patent office for payment, 1000-2500 yuan. It is not recommended that you apply, because 99% of the probability is a waste. 2. Find the local science and technology bureau or patent office to understand the patent support policy. 3. Learn some systematic creative methods and basic patent knowledge. 4, the unit as a reward may be a bit interesting, not meaningful.