7A04

7A04 is a designation that can refer to several different entities, making its specific meaning dependent on context. One prominent instance of 7A04 is as a classification code within the United States Patent Classification (USPC) system. This system, historically used by the United States Patent and Trademark Office (USPTO), organized patents into various classes and subclasses. The 7A04 subclass, within the broader Class 700 (Science and Technology) and specifically within subclass 700/700 (Manufacturing and Logistics), related to aspects of automated manufacturing and industrial processes. However, the USPC system was largely replaced by the Cooperative Patent Classification (CPC) system in 2015, though older documents may still reference it.

Another context for 7A04 is in the realm of materials science, specifically referring to an aluminum alloy. This alloy is a high-strength, age-hardenable aluminum alloy that belongs to the 7xxx series, primarily characterized by its zinc content. 7A04 alloys are known for their excellent mechanical properties, including high tensile strength and good fracture toughness, making them suitable for applications in aerospace and other demanding structural components. Their development and application are part of ongoing research and engineering in metallurgy. The precise composition and properties of 7A04 can vary slightly based on specific manufacturing processes and intended uses.