What year is Ithaca model 37 patent 1849982 16 gauge with 2 34 chamber?

The Ithaca Model 37 with patent number 1849982, which pertains to the design of the firearm, was first introduced in 1937. The specific production year of a particular 16-gauge model with a 2 3/4 inch chamber would need to be determined by its serial number, as production spanned several decades. Generally, the 16-gauge model became popular in the mid-20th century, particularly from the 1940s to the 1970s.