What is the shelf life of a condom? I know every package of condoms has an expiration date on them. But, I need to figure out when a specific package of condoms was manufactured by looking at the expiration date.
Middle class. The middle class is a class of people in the middle of a social hierarchy. In Weberian socio-economic terms, the middle class is the broad group of people in contemporary society who fall socio-economically between the working class and upper class. The common measures of what constitutes middle class vary significantly among cultures.
Upper middle class in the United States. See American Professional/Managerial middle class for a complete overview of the American middle classes. The upper middle class in the United States is a sociological concept referring to the social group constituted by higher-status members of the middle class. This is in contrast to the term lower middle class, which refers to the group at the opposite end of the middle class scale.