No published sn data.
Roughly mid-1960s. Universal is gone, and so are their records of production.
No verified published sn data in the public domain
No verified published sn How_old_in_your_universal_m1_carbine_serial_number_87046in the public domain
ABOUT 1962-63. I say ABOUT since Universal is gone, and so are their production records. Yours may be from the first year or two that the Universal brand was used.
Universal Serial Bus. USB was designed to be the standard replacement for old RS-232 serial devices and for PS-2 serial ports. It was well named; nothing in the world of computers has deserved the term "universal" as well as USB does.
Sorry, but know of no public database for these rifles. Generally they are not in the same database as military M1 carbines.
How old is this piano with serial number 1510355
How old is a Kranich & Bach piano with serial number 65053?
That is the model number not the serial number.
how old is a Winchester 101 with a serial number of k236347
how old is my baldwin keyboard serial number 91002/28
without a serial number I cannot say how old it is.