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!
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- Patent Electronic System Verification Form - United States Patent and . . .
PTO‐2042a (01‐2019) Patent Electronic Address to: USPTO Use Only System Verification Mail Stop EBC Commissioner for Patents Form P O Box 1450 Alexandria, VA 22313‐1450 Block 1 ‐ Requestor Status Please refer to form fill instructions to minimize processing delays
- Patent Public Search | USPTO
A powerful, flexible web-based patent search application that improves the overall patent searching process It includes two user selected interfaces that provide enhanced access to prior art
- Patent Public Search Basic (PPUBS Basic) - United States Patent and . . .
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
- Forms for patent applications | USPTO
For general assistance in completing the patent forms below or to request paper copies of the forms, contact the USPTO Contact Center Division at 1-800-786-9199 (1-800-PTO-9199) or 571-272-1000, and select option 2 To report a problem with a fillable patent form, please email ebc@uspto gov
- 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
- Trademarks | USPTO
Find out how to register and maintain a trademark in the U S , apply for an international trademark, and about protecting your registered trademark
- Search for Application | USPTO
Patent Center is available to all users to check the status of your patent application and review the file history Application Number - Made up of a two-digit series code followed by a six-digit serial number which is assigned by the USPTO (Example: 99999999 or 99 999999) Patent Number - Made up of 6 to 8 characters and is formatted as follows: Utility: Consist of six, seven or eight digits
- Patent Center
Patent Center allows users to electronically file and manage patent applications efficiently
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