安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Patents | USPTO - United States Patent and Trademark Office
Find out how to apply for and maintain a patent in the U S , and learn about helpful resources
- United States Patent and Trademark Office
Whether you've applied for a patent or registered for a trademark, scammers may try to exploit you Learn how to spot fake communications or offers and protect your intellectual property
- Search for patents | USPTO
Find existing patents, published patent applications and other published patent documentation
- Patent Public Search | USPTO
The Patent Public Search tool is a web-based search application for patents and patent application publications Patent Public Search has two user-selectable modern interfaces that provide enhanced access to prior art
- Home - Patent Center - USPTO
Conduct searches and pull information from all patent application bibliographic, front page and patent relevant data fields Search and download publicly available bulk datasets regularly produced and reviewed
- Search - Patent Center - USPTO
Search for a patent application Search by application number, patent number, PCT number, publication number or international design registration number
- Patent Public Search Basic | USPTO
Quick lookup Patent or Publication number For example: 0123456 or 20210123456 Search
- Applying for Patents | USPTO
To apply for a patent, you must file an application and pay required fees You may wish to find a patent attorney or agent to help draft the description of the invention and claims, and any required drawings
|
|
|