Seismic wave - Notation. 1  The path that a wave takes between the focus and the observation point is often drawn as a ray diagram. 2  For example... 3  ScP is a wave that begins traveling towards the center of the Earth as an S wave. 4  sPKIKP is a wave path that begins traveling towards the surface as an S-wave.
A patent is a legal right granted by the UK Intellectual Property Office for a new invention. It allows the owner of the patent (the patentee) to take legal action against others who use his invention without his permission. The right has a maximum life-time of 20 years in most countries, from the date of the patent application. What a patent does not do is give the owner an automatic right to use the invention.
Return to top. A patent is the government grant of monopoly on an invention for a limited amount of time. Patents in the United States are granted for seventeen years from the date the patent is issued or for 20 years from the date of filing.Other countries grant patents for similar time periods.atents in the United States are granted for seventeen years from the date the patent is issued or for 20 years from the date of filing. Other countries grant patents for similar time periods.