Canadian Patent No 919213 Patented 1975 Pat No. 3596954
I am trying to get it replaced and not having any luck.
Casey from SWISCO responded:
January 12, 2021
Hello,
Take a look and compare the dimensions of our 82-033 handle set, as well as the 82-211 and 82-214 mortise latches, to your original hardware. Thanks for posting!