1. Click the USPTO query website link: https://www.uspto.gov/patents-application-process/search-patents # heading-1to enter the following query interface:
Among them, "USPTO Patent Full Text and Image Database (PATFT)" database can search American patent documents since 1976 and can be used to query American patents. There are three retrieval methods to choose from: quick retrieval, advanced retrieval and patent number retrieval. "USPTO Patent Application Full Text and Image Database (appft)" American patent application database can retrieve the public documents of American patent applications, and there are three retrieval methods to choose from: quick retrieval, advanced retrieval and publication number retrieval.
2. Click on the second database "USPTO Patent Application Full Text and Image Database (APPFT)" to open the following interface:
On the above page, you can use quick search and advanced search to query the US patent application with application number15/344,585:
Method 1:
Click the quick search link, enter the U.S. patent application number "15344585" (excluding "/",comma and space) in the blank box to the right of "$ Term 1", and click the "Search" button.
, the following interface appears:
Point-and-line part, obtain the documents and required information of American patent application, and complete the whole inquiry process.
Method 2
Click the advanced search link, enter the US patent application number "15344585" (excluding "/",comma and space) in the blank box under "Query", and click the "Search" button.
, get the following page:
In the dotted line, the documents and required information of American patent application are obtained, thus completing the whole inquiry process.