美国专利知识

1、美国专利查看网站：

http://patft.uspto.gov/

 

2、美国专利类型：

Application Type (APT)

This field contains a single-digit number which indicates the type of patent, as follows:

1 = Utility

2 = Reissue

4 = Design

5 = Defensive Publication

6 = Plant

7 = Statutory Invention Registration

TIP:  To limit a search to Design Patents, search "4" in the APT field and AND with other criteria. E.g., APT/4 AND TTL/toy.

 

3、外观专利说明：

https://zhuanlan.zhihu.com/p/64715619

 

4、美国专利保护美国地区，但在中国也不能继续申请该专利了

https://www.zhihu.com/question/300629763/answer/530019275