when did everest launch

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Existing Everest keys will not work in Everest 29 cylinders     Related solution: Can I upgrade to an Everest 29 system and use my new keys on my existing Everest cylinders?
The current tools, pinning kits and key originating machines for all Schlage Everest full size cylinders and small format cores are the same used on Everest 29.
Everest 29 keys will work in Everest keyways. The R, S, and T keyways are completely backwards compatible to the Everest B, C, and D keyways respectively.   Related solutions:  What is Everest...
LCN started putting on the green dials for the spring adjustment on the 4041's in 2001.
Modular cylinder was launched July 26, 2010 and replaced the standard key-in-lever, mortise, and rim cylinders.     For a list of cylinders not affected by the modular cylinder design change cli...