Canadian patent 919213 Locking mechanism

A home owner from USA says:
The locking mechanism on my sliding door has failed. None of the stores I've been to have a replacement. The lock itself says Canadian patent 919213 Patented 1973 Patent 359695. Is this an item you have?
User submitted photos of patio door hardware.
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Tom from SWISCO responded:
Good morning. This mortise lock closely resembles our 82-214. Please compare our dimensions to yours to confirm that this is a match. If it differs in any way, let me know.
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