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.
2 to 3 years. Time it takes for an invention to receive a patent. âLong waiting times at the U.S. Patent Office. From the time an application is filed, it takes two to three years for an invention to receive a patent -- enough time for some high-tech ideas to become obsolete.8 months to 2 years. Length of time patent examination process can take. The examination process can take from 18 months to two years. Inventors can use the phrase 'patent pending' to indicate they have begun the patenting process.