Title:
Heavy duty door lock set
United States Patent 3354676
Inventors:
Wilson, William B.
Publication Date:
11/28/1967
Export Citation:
Click for automatic bibliography generation
Assignee:
NAT LOCK CO
Primary Class:
70/479
Other Classes:
70/216, 292/153
International Classes:
E05B55/00; E05B55/00
View Patent Images:
Download PDF 3354676        PDF help
US Patent References:
2998274Latch bolt hold-back
2983537Cylindrical lock
2842952Camming lock mechanism
2804327Deadlocking mechanism
2738666Locking mechanism
1395414N/A