Ruger's web site has extensive sn data.
1999- or so says the Ruger website.
Ruger has sn information on their web site.
1975
Go to the Ruger website, customer service, historical data, select your model, look up serial number/year.
About 1953. Ruger lists the serial number ranges of different model firearms on their website, under customer service. Link to yours is below:
If the Ruger web site will work for you, they have sn data available.
1966
The Ruger website, under customer service, hostorical data, has a date of manufacture listing by serial number.
50-350 usd
Ruger has extensive sn data on their web site, if it is up. Value could be 50-500 depending on specifics.
If you mean a 10-22 than it's worth anywhere between 100$ to 450$ depending on the year it was made its condition etc.
100-500 USD depending on specifics