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Dzus fastener, from US Patent 1955740.png 491 × 737; 111 KB. Electrovoice-constant-directivity-horn-1975.jpg 672 × 537; 42 KB. Ellipsoid Patent.jpg 383 × 329; 86 KB. Entity-centric knowledge discovery Figure 3.png 2,743 × 2,383; 130 KB. Example of early Additional Improvement Patent from 1838.jpg 742 × 1,090; 36 KB.
The United States Patent and Trademark Office ( USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and trademark registration authority for the United States. The USPTO's headquarters are in Alexandria, Virginia, after a 2005 move from the Crystal City area of neighboring Arlington, Virginia .
Design patent. In the United States, a design patent is a form of legal protection granted to the ornamental design of an article of manufacture. Design patents are a type of industrial design right. Ornamental designs of jewelry, furniture, beverage containers (Fig. 1) and computer icons are examples of objects that are covered by design patents.
The copyright law of the United States grants monopoly protection for "original works of authorship". [1] [2] With the stated purpose to promote art and culture , copyright law assigns a set of exclusive rights to authors: to make and sell copies of their works, to create derivative works, and to perform or display their works publicly.
The (copyright or mask work) owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all (copyright or mask work) rights whatsoever. Notably, the copyright notice itself is optional, and there ...
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
General Public Domain tags[edit] { { PD-US }} —for copyright-expired works in the U.S. (mainly those published before 1929). Also for works not eligible for copyright under American law. { { PD-Pre1978 }} — for works first published in the United States prior to 1978 without explicit notice of "copyright, year, owner " or "©" attached.
United States. 1868 patent drawing for the Sholes, Glidden, and Soule typewriter [7] In the United States, the applicant for a patent is required by law to furnish a drawing of the invention whenever the nature of the case requires a drawing to understand the invention. This drawing must be filed with the application.
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