Title:
Construction lock cylinder
Document Type and Number:
United States Patent 3257831

Inventors:
Schlage, Ernest L.
Publication Date:
06/28/1966
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Assignee:
SCHLAGE LOCK CO
Primary Class:
70/383
Other Classes:
70/375, 70/338
International Classes:
E05B27/00
US Patent References:
1650568Shut-out cylinder
1788834Lock
1913963Lock
1914639Lock
2748590Adjustable key plug retainer
2877638Pin tumbler lock


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