As far asI can find 1968 was when the rule became federal law
All firearms were required to have serial numbers with the passage of the gun control act of 1968.This law became affective with the first day of the year 1969.
January 1, 1969, as required by the Gun Control Act of 1968.
Being that your Marlin model 31 was made between 1913-1916.These rifles were not required by law to have serial numbers if the manufacturer choose not to put them on the firearm.This was not a law until the year 1969.So your marlin might not have a serial number.
1951
1977 by the engineering change. 1980 by the sn. Not uncommon for parts to be made long before being made into weapons and shipped.
the serial numbers on paper money are used as a tracking device and help prevent fake money from being made and passed off easily as the real thing
Alignment of the radix points.
Alignment of the radix points.
You need to expand. Serial numbers are used on installation to prevent illegal copies (which you probably have now that you've asked the question, lol) of the game being redistributed.
Yes, the Sears Model 54 was made by Winchester and used the Winchester Model 54 serial numbers. Your serial number puts the rifle at being made in 1930 or 1931.
Harrington and Richardson used serial numbers that started with AM in 1974. The company had similar shotguns being built from 1974 to 1981.
A concealed weapons permit is only a license that allows you to carry a firearm in public without it being clearly visible. Owning a firearm is a completely different set of permissions, and is usually required before you can even get a concealed weapons permit.