According tohttp:/www.ruger-firearms.com/Firearms/PS-SNH-RE-SPSSix.html, it looks like you may have typed some numbers wrong. This link has an address and phone number for Sturm, Ruger & Co. They will tell you the age, etc of your weapon at no charge.
Ruger's website has a sn look up area.
If the Ruger website is up, it has sn data
If the Ruger website will work for you, they have sn data.
Contact Ruger customer service through their website. I THINK Ruger also has a search for Date Of Manufacture there.
Ruger's website has sn data on it. Not working for me right now.
If you can access the Ruger web site, sn data is posted.
Check the Ruger website. If the sn function is up, you can find out.
Ruger website, under Customer Service, Historical Data, pick rifle pistol revolver or shotgun, then your model, and date of manufacture by serial number range is shown.
To determine the manufacturing date of a Ruger Single-Six .22 revolver with serial number 141262, you would typically refer to Ruger's serial number records. Generally, Ruger began producing the Single-Six in 1953, and the specific serial number can provide a more precise year of manufacture. For accurate information, it's best to consult Ruger's official factory records or a reliable gun reference guide.
Ruger has extensive sn data on their website.
You will have to call Ruger.
Ruger has extensive serial number data on their website.