United States Patent 3125878
US Patent References:
Pin-tumbler cylinder lock
- - 1650564

Shut-out cylinder
- - 1650568

Lock
- - 1796098

Lock
- - 2059129

Tumbler type lock
- - 2326358


Publication Date:
03/24/1964
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Primary Class:
70/383
Other Classes:
70/341
International Classes:
E05B27/00
US Patent References:
2818723Cylinder lock
3070987Locks