Anything that was collected and patent in the year it was made, an issue year can be determined between partners or individual on an exact date and time...
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In a year
US patents are for 20 years, so a 1992 patent expired on its issue date in 2012.
The company can then profit from their research without competition.
Use this link to research US Patent Numbers: http://patft.uspto.gov/netahtml/PTO/srchnum.htm
No way to tell. You can look up that patent, and it will tell you what year that patent was granted- but there is no way of telling when it was made, other than AFTER that patent was granted.
To cite a patent in APA format, include the inventor's name, the patent number, the title of the patent, the publication date, and the source of the patent. Format it as follows: Inventor(s). (Year). Title of patent (Patent No. xxxxxx). Source.
The Wilkinson razor with patent number 321115 was produced in the year 1931.
According to Google Patents, patent D161783 was dated 1950.
Albert T. Marshall filed the patent application for the refrigerator in 1897, and received the patent in 1899.
This is called a patent.
According to Indian Patent Act 1970, any minor either alone or jointly with any other person can apply for a patent, subjected to conditions laid down in Section 6 of Indian Patent act 1970 Regards Rudresh Prabhu (rudresh.prabhu@gmail.com)
1790.