Laws vary from country to country, but you can generally patent a new and non-obvious invention related to a "process, machine, manufacture, or composition of matter, or any new and useful improvement thereof", e.g., under 35 USC § 101 of the USA and similarly in other countries.
There are also plant patents, design patents, among other related protections.
In US patent practice, the terms you're using, "full patent" and "mechanical patent," don't have any meaning. The United States Patent and Trademark Office grants three types of non-provisional patents: design patents, plant patents, and utility patents. They protect different things; one doesn't "override" the other.
The most common patent is a utility patent, which covers a new product or process. A design patent covers ornamental characteristics of a product, and a plant patent covers newly-developed hybrids.
Originally patent leather was made from top grade real leather, highly polished with different types of oil and lacquers. Modern day patent leather is often coated with or made from plastic.
Originally patent leather was made from top grade real leather, highly polished with different types of oil and lacquers. Modern day patent leather is often coated with or made from plastic.
The website of the United States Patent and Trademark Office links to a patent application form in PDF format. The link is about half-way down the page, under "provisional application for patent..." http://www.uspto.gov/patents/resources/types/provapp.jsp
There are lot of types of typewriter ribbons present in the patent database.
There are no requirements to prove anything to get a patent. Under US law, there is a constitutional right to have a patent that properly claims a qualifying invention. The patent office must prove that the application or the invention does not qualify under one or more laws or rules if it wants to reject an application for a patent.
what are some things invented in 1992
Espacenet monitors UK and EU patents registrations and provides a free patent database. Information listed includes: applicant name, date of application and patent number.
One way would be to apply for a patent on the item. One of the things that has to occur is a full search for prior work that might be related to the new product or process. If the patent is clear, you know you are not violating any other patent.
It used to be included in patent medicines, but it is a poison, similar to arsenic.
You can patent anything that IS a change or a new idea. For example, if your berries have a new flavor or origin, than they can be patented. A patent is an ownership mark for an idea. If you want to patent a brand name, then you get into corporate marketing.