Need to identify lock for replacement

Quick Learner from San Jose

Hello, I need to replace the Mortise lock in my sliding door. The two markings on it display:

PAT #:6.264.252

PAT #:5.820.170

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Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

Please start by reviewing the style of the 82-239 mortise lock. Compare the dimensions to confirm a good fit! Let us know what you think and if you have any additional questions! 

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