Where do patents go when they expire?

Question

Copyright

Where do patents go when they expire? into public access. but where is this public access?? for example, I want to read rocket science patents ... where are all these open patents

Answer 1

> [copyright] [networks] [permissions]
What does all this have to do with it? Don't spam tags.
> Where do patents go after they expire?
Yes, they don't get anywhere. What for? On each patent, the date is written right on the title page. The validity period is calculated from it. But notices of expired ahead of schedule - they are printed.
> in the public domain
And where are the current patents in your opinion? O_o
What are patents for if they are not published and are not in the public domain?
> for example, I want to read rocket science patents.
Perhaps you mean copyright certificates and patents that used to be state secrets?
> where are all these open patents located
“Open patents” are those for which it is agreed in advance to grant a license to anyone who applies? What difference does it make to you if they are "open" or not, if they have expired?
And so - where can periodicals be located? In libraries. Particularly in patent libraries. In Moscow, this is VPTB.
You want to ask if they have a full-text search in the texts of all-Union and Russian copyright certificates and patents for inventions for the last hundred years? There is [0]. And very godly - 59 rubles. / request.
[0] www1.fips.ru/wps/wcm/connect/content_ru/ru/inform_...

Answer 2

https://patents.google.com/?q=rocket

Answer 3

In the patent office and other patent organizations.