Traditional Culture Encyclopedia - Traditional festivals - How much can a manhole cover patent earn?
How much can a manhole cover patent earn?
51,000 manhole covers were patented by the State for utility model, which improved the safety compared with the traditional ones. By the end of 2022, 1 1.2, ordinary patents on the market can earn 50,000 yuan. Patent refers to inventions protected by the patent law, that is, patented technology, which is a proprietary technology recognized by the state and protected by law on the basis of publicity.
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