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The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional seven years.
Actual use of the invention was deemed adequate disclosure to the public. [13] The English patent system evolved from its early medieval origins into the first modern patent system that recognised intellectual property in order to stimulate invention; this was the crucial legal foundation upon which the Industrial Revolution could emerge and ...
Obtaining patents became much easier during the period after the Patent Act of 1793 and the next federal Patent Act passed in 1836. Between the Patent Act of 1790 and that of 1793, only 57 patents were granted, but by July 2, 1836, a total of 10,000 patents had been granted. [17] This however, came at an expense of the quality of patents granted.
The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional 7 years. [6]
1926: Harry Ferguson, patents the Three-point hitch equipment linkage system for tractors. [464] 1926: John Logie Baird demonstrates the world's first live working television system. [465] [466] [467] 1927: The quartz clock is invented by Warren Marrison and J.W. Horton at Bell Telephone Laboratories. [468]
The modern-day provisions of the law applied to inventions are laid out in Title 35 of the United States Code (Ch. 950, sec. 1, 66 Stat. 792). From 1836 to 2011, the United States Patent and Trademark Office (USPTO) has granted a total of 7,861,317 patents [7] relating to several well-known inventions appearing throughout the timeline below.
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
The Englishman Arthur Berry submits a patent on the manufacture of printed circuits by etched metal. 1915: Carl Benedicks leads basic studies in Sweden on the electrical properties of silicon and germanium. Due to the emerging tube technology, however, interest in semiconductors remains low until after the Second World War. 1917