Key patent expiration dates: Difference between revisions
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| [[Medeco]] || [[Medeco Original|Original]] || 1985 || | | [[Medeco]] || [[Medeco Original|Original]] || 1985 || | ||
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| [[Medeco]] || [[Medeco Biaxial|Biaxial]] || 2005 || | | [[Medeco]] || [[Medeco Biaxial|Biaxial]] || 2005 || [https://patents.google.com/patent/US4635455A US4635455A] | ||
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| [[Medeco]] || [[Medeco KeyMark|KeyMark]] || 2011 || | | [[Medeco]] || [[Medeco KeyMark|KeyMark]] || 2011 || [https://patents.google.com/patent/USRE35518E USRE35518E] | ||
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| [[Medeco]] || [[Medeco M3|M3]] || 2021 || | | [[Medeco]] || [[Medeco M3|M3]] || 2021 || [https://patents.google.com/patent/US6477875B2 US6477875B2] | ||
|- | |- | ||
| [[Medeco]] || [[Medeco KeyMark X4|KeyMark X4]] || 2027 || | | [[Medeco]] || [[Medeco KeyMark X4|KeyMark X4]] || 2027 || | ||
Revision as of 22:01, 2 January 2023
Key Patent Expiration Dates
The following is a reference for the expiration dates of keys and key profiles patents. These are typically associated with high security locks and exist to prevent unauthorized manufacturing of key blanks.
References
Medeco 2011 Product Catalog: http://medeco.com/images/stories/about/product/6-1-2011-DS_US_Rev_C_NP.PDF
See also
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