The materials and workmanship are the same, only one card is posted, and the workmanship is much better than that, but it is a problem to limit the copyright of the pattern.
Not every application can be authorized in the technology patent submitted by the applicant. Especially invention patents. The audit is particularly strict. If there are some problems with your technology, the National Bureau of Knowledge will not grant a patent. If the patented technology can be authorized, the National Information Bureau will first send a registration notice to the applicant. Only after obtaining the registration notice and authorization announcement can this technology become a patent. The invention and utility model applying for patent must be novel, creative and practical at the same time, and the appearance of applying for patent must not belong to the existing design and have aesthetic feeling.