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.
Use the links below to study each river valley civilization. Introduction: The world's first great civilizations developed in or around river valleys. The four great river valley civilizations were the Nile River Valley, the Tigris-Euphrates River Valley, the Huang-He River Valley, and the Indus River Valley.Why did the four great early civilizations develop in or around river valleys?iver Valley Civilizations. G-PIRATES. Use the acronym G-PIRATES to help you study the different characteristics of Ancient River Valley Civilizations! When completing your River Valley Civilizations chart, use the following questions to guide your exploration of each characteristic of culture.