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A patent application or patent may contain drawings, also called patent drawings, illustrating the invention, some of its embodiments (which are particular implementations or methods of carrying out the invention), or the prior art. The drawings may be required by the law to be in a particular form, and the requirements may vary depending on ...
Charles Batchelor was a superintendent for Edison toward the end of this series of patents. patent number – name of patent (external links to patent images in TIFF format) Electrographic Vote-Recorder. U.S. patent 0,090,646 – Electrographic Vote-Recorder : Edison's first patent. Permitted a "yes" or "no" vote via one of two switches.
U.S. patent 511,916 - Electric Generator - 1894 January 2 - Combination with the piston or equivalent element of an engine which is free to reciprocate under the action thereon of steam or a gas under pressure, of the moving conductor or element of an electric generator in direct mechanical connection; Engine and generator being adjusted by ...
The following partial list contains marks which were originally legally protected trademarks, but which have subsequently lost legal protection as trademarks by becoming the common name of the relevant product or service, as used both by the consuming public and commercial competitors. These marks were determined in court to have become generic.
However, patent organizations have their own classification; for instance, the European Patent Office has framed the ECLA. Grouping patents by theme offers an overview of the corpus and the potential applications of studied technology. Status: The legal status indicates whether an application is filed, approved, or rejected.
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