Key patent expiration dates
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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.
Manufacturer | Model | Expiration | Patent Numbers | ||||
Abloy | Easy | 2040 | FI20195157A1 & FI128726B | ||||
Abloy | Protec2 | 2030 | |||||
ASSA | Twin V-10 | 2014 | 5,067,335 & 5,640,865 | ||||
Bilock | Exclusive | 2033 | |||||
EVVA | DPS | 2022 | 5,797,287 | ||||
EVVA | 4KS DPS | 2035 | |||||
Medeco | Original | 1985 | |||||
Medeco | Biaxial | 2005 | |||||
Medeco | KeyMark | 2011 | |||||
Medeco | M3 | 2021 | 6,477,875 | ||||
Medeco | KeyMark X4 | 2027 | |||||
Medeco | M4 | 2040 | |||||
Sargent | Signature | 2014 | Schlage | Primus | 2007[1] | 4,756,177 & 4,815,307 | |
Schlage | Everest | 2014[1] | 5,715,717 | ||||
Schlage | Primus Everest | 2014[1] | 5,715,717 & 5,809,816 | ||||
Schlage | Everest SFIC | 2014[2] | 5,715,717 | ||||
Schlage | Primus XP | 2024[1] | 7,159,424 |
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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