What about the appearance patent with a particularly large length?

Length is not important. 1 design patent concept: industrial design refers to a new aesthetic design for the shape, pattern, color or combination of products, which is suitable for industrial application. Design refers to the design of industrial products, which is the style of industrial products. 2. Application for patent for appearance: (1) If you apply by yourself, the certificate of patent fee reduction (handled at the local science and technology bureau or the Intellectual Property Office) can provide six photos of the product, application materials and a brief description, which can be submitted directly to the China National Intellectual Property Administration Post Office, or you can log on to the China National Intellectual Property Administration website online and apply directly after registration; (2) Where an entrusted agency applies, it shall provide a power of attorney on the basis of the materials required for its own application. 3. Patent application process: after submitting the patent, pay the application fee 500 yuan (the fee varies according to the company application or individual application), get the patent acceptance notice, grant the patent right in about 4 months, and wait for the license after paying the patent registration fee; If it needs to be corrected, it shall complete the correction procedures within the specified time. Application procedure for design patent 1. Where an application for a patent for design is made at the application stage, the patent application documents shall include: a request for a patent for design, pictures or photographs. Where color protection is required, color pictures or photographs shall also be submitted in duplicate. All submitted pictures are pictures, all submitted photos are photos, and pictures or photos shall not be mixed. If pictures or photo descriptions are needed, a brief description of the design shall be submitted. Where a patent agency is entrusted, a power of attorney shall be submitted. To apply for fee reduction, an application for fee reduction and corresponding supporting documents shall be submitted. 2. In the examination stage, China implements the preliminary examination system for the application for patent for design. During the preliminary examination, the examiner will issue a notice of correction to the formal problems in the application documents. The applicant makes corrections to the notice. At the same time, the examiner will examine whether it belongs to the design patent protection customer. If there are customers who are not protected by the design patent, the examiner will issue a notice of examination opinions, and the applicant will reply to the notice of examination opinions or modify the application documents. 3. Authorization stage (1) Authorization: After the first trial is passed, the examiner will issue a notice of granting the patent right. After receiving the notice of granting the patent right, the applicant needs to go through the following registration procedures: pay the patent registration fee, the annual fee for authorization, the printing fee for the announcement and the stamp duty on the patent certificate within the prescribed time limit. (2) Issuance of certificates: The applicant can obtain a patent certificate after going through the registration formalities. This period of time is about 2-3 months.