https://www.uspto.gov；
2. Click on the "patent" on the menu bar, as shown:
3. After the jump, click "PatFT", as shown in the figure:
4. Fill in the red box below:
? Because we are looking for an appearance patent, we choose the application type after the field 1, which contains a number indicating the patent type, where "4" stands for the appearance patent, so we fill in "4" after $ TERM 1, then fill in the product keyword "wireless earplug" after $ Term 2, and select after field 2.
5. There are 1 14 query results. Check the titles and click on the titles related to our products in turn:
6. For example, we click on the first title and jump to the following figure:
7. Click on the picture above again to jump to a PDF document with patent introduction and design, as shown in the following figure:
These are the seven steps to check the appearance patent. After that, Niu Niu took a deep breath of her cigarette and continued: There are simpler and more intuitive methods. It's too late today, I'll share it next time, but remember to remind me ~
Niu Er nodded and thanked him!