Pictures should refer to the relevant national standards of technical drawing and mechanical drawing in China.
Projection relationship, line width and cutting marks shall be drawn, and shall be in the thickness.
The unified solid line expresses the shape of the design. No hatching, indication or emptiness.
Lines such as lines, centerlines, dimension line and dotted lines express the shape of the design. can
So as to use two parallel two-dot chain lines or natural fracture lines to represent the omitted part of the elongated article.
Points. Indicating lines can be used on drawings to indicate cutting position and direction, magnification position and penetration depth.
Bright parts, etc. , but there must be no unnecessary lines or marks. The picture should be displayed clearly.
Reach the design.
Pictures can be drawn with drawing tools including computers, but they must not be made.
Draw with pencils, crayons and ballpoint pens, not blueprints, sketches or mimeographs.
Pieces. For computer-drawn design pictures, the drawing resolution should be full.
Clear requirements.
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4? 2? 3 photo shooting
(1) The photos should be clear to avoid product design caused by focusing and other reasons.
The instrument cannot be clearly displayed.
(2) The background of the photo should be single, so as to avoid products beyond the design.
Other content. There should be an appropriate brightness difference between the product and the background to clearly display the product.
The design of.
(3) Photographs should usually be taken according to the orthographic projection principle to avoid being produced by perspective.
Original deformation affects the expression of product design.
(4) The photos should avoid the influence of strong light, reflection, shadow and reflection on the products.
The expression of design.
(5) Products in photos should usually avoid containing content or background.
However, it is necessary to rely on the contents or foil to clearly show the appearance of the product.
When designing, it is allowed to keep the contents or foil.
Article 27 law? 2
4? 2? 4. Defects in pictures or photographs
For a patent application with defective pictures or photos, the examiner shall
Notice of correction or notice of examination opinions shall be issued to the applicant. According to this patent
Article 33 of the law stipulates that the applicant may not modify the patent application documents more than.
The range represented by the original picture or photograph. Defects mainly refer to the following items:
There is an error in the projection relation of the (1) view, for example, the projection relation does not conform to the orthographic projection specification.
Then, the projection relationship between the views does not correspond or the direction of the views is reversed.
(2) The design picture or photograph is unclear and displayed in the picture or photograph.
Product graphic size is too small; Or although the graphics are clear, there is strong light and reflection.
Light, shadow, reflection, content or foil, etc. , thus affecting the product design.
Express correctly.
(3) The product lines in the design drawings contain contents that should be deleted or modified.
Lines in the view, such as hatched lines, indicator lines, dashed lines, center lines and dimensions.
Lines, dashed lines, etc.
(4) A view representing a three-dimensional product has the following conditions:
(a) the scale of each view is inconsistent;
(2) The key points of product design involve six faces, but the orthographic views of the six faces are insufficient.
Except in the following cases:
When the rear view is the same as or symmetrical to the main view, the rear view can be omitted;
When the left view and the right view are the same or symmetrical, the left view (or the right view) can be omitted.
Figure);
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When the top view and the bottom view are the same or symmetrical, the top view (or bottom view) can be omitted.
Figure);
Large or fixed equipment and items with unusual bottoms can be omitted.
View.
(5) A view representing a flat product has the following conditions:
(a) the scale of each view is inconsistent;
(2) The key points of product design involve two sides, but the orthographic views of both sides are insufficient.
But the back view is the same as or symmetrical to the front view, and the back view has no pattern.
Except ...
(6) slender items, such as measuring rods and profiles, are omitted when drawing.
Length, but not broken by two parallel two-dot chain lines or natural fracture lines.
Painting.
(7) The representation of the cutting plane or the cutting plane and the cutting place has the following conditions.
Conditions:
(i) The section line is missing or incomplete;
(ii) The cutting position line, symbol and direction indicating the cutting position are incomplete or missing.
The above contents (but the mark indicating the part starting from the central position may not be given).
(8) There is partial enlargement, but the enlarged part is not marked in the relevant view.
(9) The assembly product with unique assembly relationship lacks the assembly state view; No group
The assembly relationship or the assembly relationship is not unique, and the assembled product lacks the necessary individual components.
View.
(10) transparent product design, the outer layer and the inner layer have more than two shapes,
Patterns and colors are not displayed separately.
4? 3 brief description
Paragraph 2 of Article 59 of the Patent Law stipulates that the protection of patent right of design is regulated.
The product design shown in the picture or photo shall prevail. In short,
Ming Can is used to explain the appearance design of products represented by pictures or photographs.
According to the provisions of Article 28 of the Detailed Rules for the Implementation of the Patent Law, a brief description shall include
Includes the following contents:
(1) Name of the design product. The product name in the brief description should be the same as that in.
The product names in the request are consistent.
(2) The purpose of designing the product. The brief description should indicate that it helps to ensure that
Determine the purpose of the product category. For products with multiple uses, a brief description should be
Point out the multiple uses of the product.
(3) Design points of appearance design. Design points refer to the phase difference with the existing design.
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Shapes, patterns and combinations of other products, or knots of colors, shapes and patterns.
Close to, or part of. The description of design points should be concise.
(4) Specify the pictures or photos that can best show the design points. appoint
Pictures or photographs are used to publish patent announcements.
In addition, the brief description should explain the following:
(1) Request color protection or omit the view.
Where an application for a patent for design requests color protection, it shall be clearly stated in the brief description.
Statement.
If the view is omitted in the application for a patent for design, the applicant should usually explain it.
Specific reasons for omitting views, such as symmetry or identity; If it's hard
If it is explained, it can also be explained that a view is omitted, such as the lack of a bottom view of large equipment.
It can be written as "omit looking up".
(2) Put forward a design for several similar designs of the same product.
For this application, one of them should be designated as the basic design in the brief description.
(3) For printed cloth, wallpaper and other flat products, the flat products should be described when necessary.
The unit pattern in the product is continuous in two directions or four directions, and the boundary is infinite.
(4) For slender articles, the length of slender articles shall be specified when necessary.
Omit.
(5) If the appearance design of the product adopts transparent materials or has special visual effects.
If necessary, fruits made of new materials should be stated in the brief description.
(6) If the designed product belongs to a complete set of products, it shall be explained when necessary.
The product name corresponding to the package.
The brief description shall not use commercial advertising language, nor shall it be used to describe the product.
The performance and internal structure of.