Patent application is easy to handle, and the problem of leakage has been successfully solved. All waterproof materials are not needed, only sand, cement, bricks and paper shells can be used, except f

Patent application is easy to handle, and the problem of leakage has been successfully solved. All waterproof materials are not needed, only sand, cement, bricks and paper shells can be used, except for the large amount of leakage. your final problem is that you have a patent in your hand but don't know how to apply, right?

According to what you described, this patent belongs to a utility model patent (the specific situation is unknown, but it is only a preliminary estimate), and there are two ways to apply:

1. Find a patent application agent such as Zhuanzhihui, and you can entrust it with confidence after signing a confidentiality agreement;

2. handle it by yourself: prepare relevant patent application instructions and other materials, and you can find them online if you want.