The usual British pronunciation for all senses of this word is [pay-tuhnt]. In technical usage, when it refers to the legal protection of an invention, the word is often pronounced [pat-uhnt]. Americans use [pat-uhnt] for all uses of the word except 'obvious', for which they use [pay-tuhnt].
The emblem reflects the Vatican's importance as the headquarters of the Roman Catholic Church. The colours of the flag are based on the gold and silver of the papal keys. Effective date: 8 June 1929.