The difference between an invention patent and a utility model patent is ().
A: Invention must be the proposal and innovation of new methods
B: The utility model must be a product with shape and structure
C: The creative requirements of utility model patents are lower than invention patents
D: Some products cannot declare utility model patents
A: Invention must be the proposal and innovation of new methods
B: The utility model must be a product with shape and structure
C: The creative requirements of utility model patents are lower than invention patents
D: Some products cannot declare utility model patents
举一反三
- There three types of patent in China, Patent for Invention, Patent for Utility Models and Patent for .
- The definition of invention is: "Invention refers to a new technical solution suitable for practical use that is applied to the shape, structure, or combination of products "
- The Model T Ford was the most significant invention of the twentieth century. A: F B: O
- The utility function curve is convexed upwards, indicating that as<br/>the consumption of a certain commodity increases ( ) A: Increased marginal utility B: Increase in total utility C: Diminishing marginal utility D: Increase in average utility
- The difference between O2O model and B2C model is that ________. A: O2O model means that after consumers purchase goods and services online, they must go offline to enjoy services B: O2O model allows consumers to pay offline C: B2C model requires consumers to pick up the goods at the merchants D: O2O allows merchants to have no offline physical stores