Αποτελέσματα Αναζήτησης
10 Ιουν 2024 · The United States Patent and Trademark Office (USPTO) Public Search Facility located in Alexandria, VA provides the public access to patent and trademark information in a variety of formats including on-line, microfilm, and print. Trained staff are available to assist public users.
21 Ιουν 2024 · The Patent Public Search tool is a new web-based patent search application that will replace internal legacy search tools PubEAST and PubWEST and external legacy search tools PatFT and AppFT. Patent Public Search has two user-selectable modern interfaces that provide enhanced access to prior art.
Search specific patents by importing a CSV or list of patent publication or application numbers.
2 Οκτ 2024 · This one volume index is the specially prepared companion to the microfilm copies of the U.S.'s early, unnumbered patents (i.e., those that were issued from 1790 to 1836). It lists these earliest patents by patent class, then alphabetically by invention title and by issue date.
To start a quick lookup, enter a single patent or publication number and select the Search button. To start a basic search, select a search field, enter your search term, and select the Search button.
Search and research millions of US patents for free on Justia.com.
Patent Center - United States Patent and Trademark Office ... PatentCenter UI
