I am looking to add a product to my online business but want to make sure I am not infringing any patents. Dog shoes have so many styles it is very confusing. Please see below:
Date App/Pub Number Status 2002-06-17 US10173363 Expired - Fee Related 2003-03-04 US6526920B1 Grant
2002 it is expired and then 2003 it says grant. What does this mean?