Yes. U.S. appearance patents are one of the most popular applications among international appearance patents. For many companies engaged in cross-border e-commerce or foreign trade such as Amazon, having a U.S. appearance is a threshold. The drawings used in this patent were carried out in accordance with international standards, using the unified international standard A4 paper size and PDF document format. The United States is a federal government and a constitutional country composed of Washington, DC, 50 states, Guam and many other overseas territories.