This will guide the process you'll use to apply for the patent. 4. File a provisional patent application. This offers a layer of protection in case someone later claims they had the idea before you did. As Issie Lapowsky points out, U.S patent law is a first-to-file system, not first-to-invent.
Ancient River Valley Civilizations Introduction. The term civilization separates cultures that were more developed and settled than the previous hunter-gatherer societies. The first civilizations arose around 4000 BC in four river valleys across the globe. This unit is designed to examine the rise of these early civilizations and the emerging social complexity of populous societies.
That is because the Yellow River was the birthplace of ancient Chinese civilizations in the Xia (2100â1600 BC) and Shang (1600â1046 BC) eras â the most prosperous region in early Chinese history. 2 million years ago prehistoric (Peking) man is shown to have lived in the Yellow River Basin.