you might be able to get a answer at arms collectors.com
1906
The Ithaca Model 37R with serial number 505739-4 was manufactured in 1970. The serial numbers for Ithaca shotguns can help determine their production year, and the range corresponding to this serial number indicates its date of manufacture.
The serial number indicates Ithaca manufactured your Model 37 in 1956.
1949
Date of Mfg. is 1947
I thought that would be in the end of the serial range of Ithaca but 1944.
serial #
The Ithaca Model 37 with serial number 4681164 was manufactured in 1972. The Ithaca Gun Company used a serial number system that allows for dating based on the serial number range. For precise verification, it's always best to consult Ithaca's records or a knowledgeable firearms expert.
There's a list of serial numbers by year at http://ithacagunrepair.com/page5/page23/
There's a list of serial numbers by year at http://ithacagunrepair.com/page5/page23/
The Ithaca Model 37 shotgun with a serial number of 349302 was manufactured in 1953. Ithaca's serial number records indicate that this model was produced in that year, making it a vintage firearm. The patent number 1849982 is related to the design features of the shotgun.
To determine the year of manufacture for your Ithaca Featherlight 12GA shotgun with serial number 690369, you would typically refer to Ithaca's serial number records. Generally, Ithaca shotguns produced in the 1960s and 1970s have serial numbers starting around that range. Specifically, serial number 690369 suggests it was likely manufactured in the early 1970s. For the most accurate information, consulting an Ithaca Gun Company resource or a firearm expert is recommended.