Keys for high security cylinder lock systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 19, 2000
Grant Date -
N/A
app pub date -
Oct 7, 1998
filing date -
Oct 7, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blank for use in fabricating a key for a cylinder lock having a camming projection extending outwardly from a first side of the blade portion of the blank and a recess in the opposite side of the blade portion. The projection and recess are simultaneously formed in a punching operation and have at least one different geometrical parameter whereby the camming projection is not complementary to the recess and/or has a different orientation than the recess.
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