Locks – Operating mechanism – Key
Reexamination Certificate
2008-03-04
2008-03-04
Barrett, Suzanne Dino (Department: 3673)
Locks
Operating mechanism
Key
C070S358000, C070S493000, C070S407000
Reexamination Certificate
active
11337735
ABSTRACT:
An exemplary method of making a key is provided. A bitted surface is formed in a key blade of a key blank. A groove is formed in a first side of the key blade. At least one receptacle is formed in the groove. A notch is formed in the groove adjacent to the at least one receptacle for mating with a rib in a lock cylinder.
REFERENCES:
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patent: 6105404 (2000-08-01), Field et al.
patent: 6945082 (2005-09-01), Field et al.
patent: 7040126 (2006-05-01), Edwards, Jr.
patent: 7207200 (2007-04-01), Eden et al.
patent: 1260340 (1968-02-01), None
patent: 3626552 (1988-02-01), None
patent: 982452 (2000-03-01), None
Barrett Suzanne Dino
Calfee Halter & Griswold LLP
Master Lock Company LLC
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