The USPTO databases have to be one of the most torturous services to their users in the whole of internet. The UI of both the patent and trademark search is archaic, but not in a HN way but in a really bad way. In patent search, there is no "search" box. Instead, the "quick search" forces you to specify two (and exactly two) text queries on the database columns with obligatory boolean operation.[1] Even if you happen…
If you look at the url, you notice they are using CGI and Win32 EXEs
It could have been redeveloped in anything, but kept the original url scheme for backwards compatibility.