Internal locks, from a JW patio door

A quick learner from USA says:
This is from a JW patio door. If you look at pic it has PAT# 6.264.252 & 5.820.170 it's on the side

I measured from top to bottom cover it's 11 1/2 and from screw to screw 11 inches.
User submitted photos of patio door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I believe you have a 82-265 mortise lock. This has the same cover plate as yours, but in a brass color. We also have the stainless steel 82-259, which has a different cover plate. All that said, if you are going to reuse your white cover plate, then either should work.
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