搜尋結果
A patent application is a request pending at a patent office for the grant of a patent for an invention described in the patent specification [notes 1] and a set of one or more claims stated in a formal document, including necessary official forms and related correspondence.
Under United States law, a patent is a right granted to the inventor of a (1) process, machine, article of manufacture, or composition of matter, (2) that is new, useful, and non-obvious.
The Venetian Patent Statute of March 19, 1474, established in the Republic of Venice the first statutory patent system in Europe, and may be deemed to be the earliest codified patent system in the world. [1] [2] The Statute is written in old Venetian. [1] .
View-Master is the trademark name of a line of special-format stereoscopes and corresponding View-Master "reels", which are thin cardboard disks containing seven Stereoscopic 3-D pairs of small transparent color photographs on film. [1] It was originally manufactured and sold by Sawyer's .
Under the doctrine, once an authorized sale of a patented article occurs, the patent holder's exclusive rights to control the use and sale of that article are said to be "exhausted," and the purchaser is free to use or resell that article without further restraint from patent law.
Country calling codes, country dial-in codes, international subscriber dialing ( ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
A digital clock displays the time digitally (i.e. in numerals or other symbols), as opposed to an analogue clock . Digital clocks are often associated with electronic drives, but the "digital" description refers only to the display, not to the drive mechanism. (Both analogue and digital clocks can be driven either mechanically or electronically ...
