Need to identify lock for replacement

A quick learner from San Jose says:
March 26, 2024

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

Thumbnail of the uploaded file named Patent Number
Thumbnail of the uploaded file named Lock
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Lauren from SWISCO responded:
March 26, 2024

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! 
Multi-Point Mortise Lock and Keeper, 9-7/8"
Multi-Point Mortise Lock and Keeper, 9-7/8"
82-239
$41.70
Sliding Glass Door Multi-Point Keeper
Sliding Glass Door Multi-Point Keeper
82-249
$12.97
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