From the date of application, the utility model patent certificate was obtained in about 14 months. The main points and protection points of this patent are as follows:
Specifically, according to the sixth part, it can be a key technical point that can bring beneficial effects to the present invention.
1. According to the technical scheme in the fourth part, are there any other alternatives that can achieve the purpose of the invention?
2. Provide a copy of the applicant's (enterprise's) certification document, fax or email it to me.
3. Get the patent application number and arrive in China National Intellectual Property Administration within 3-5 days after submitting the application.
The following inventions do not belong to utility model patents:
Various methods and uses of 1. products.
2. Products without definite shape, such as gas, liquid, powder and granular substances or materials.
3 products that are simply replaced by materials, and products with the same appearance and structure produced by different processes.
4. immovable buildings.
5. Products with graphic design only, such as chess and cards.
6. Systems consisting of two or more instruments or equipment, such as telephone network system, water supply and drainage system, heating system, building ventilation and air conditioning system, data processing system, rolling mill, continuous casting machine, etc.