The attached drawings shall conform to the national standards for mechanical drawing, that is, they shall be drawn in black ink with drawing tools (or computer drawing), and the lines shall be uniform and clear, and shall not be colored. No border lines shall be added around the drawings, and pencils and pens shall not be used for drawing, but the attached drawings need not be marked with scale and size data.
The size and clarity of the attached drawings shall ensure that when the drawings are reduced to 4×6 cm, all the details in the drawings can still be clearly distinguished and meet the requirements of photographic plate making.
Multiple drawings of the same patent application can be drawn on the same piece of paper in a special format, numbered sequentially in Arabic numerals, and represented by "number ××××".
Where the same patent application has multiple pages of drawings, the page numbers shall be written in Arabic numerals continuously. The reference symbols used in the same patent application must be consistent, and symbols not mentioned in the specification shall not appear in the drawings. The appended drawings shall not contain other notes except necessary words.
The writing of abstract shall meet the following requirements:
The technical field to which the invention or utility model belongs, the technical problems to be solved, the main technical features and uses shall be clearly stated. For a product applying for utility model, the characteristics of its shape, structure or combination shall be clearly stated. It should not be written as an advertisement or a simple product function introduction.
B. the abstract can be written continuously without a title.
C. For inventions in the chemical field, the abstract may include one of the applied chemical formulas that can best describe the characteristics of the invention. The abstract can also include mathematical formulas or reaction formulas.
D the abstract shall not be divided into sections, and the full text shall not exceed 200 words.
E. Drawing of abstract drawings: If there are drawings in the specification, a drawing that can best explain the technical features from the drawings in the specification shall be submitted as an abstract drawing. The size and clarity of the drawing shall ensure that all the details in the drawing can be clearly distinguished when the drawing is reduced to 4×6 cm.
In addition, the symbols of the drawings should be clear and clear, and no other comments are allowed. I hope these suggestions can help you provide drawings that meet the requirements of the patent office.