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公开(公告)号:US2944333A
公开(公告)日:1960-07-12
申请号:US55504755
申请日:1955-12-23
申请人: HURD LOCK & MFG CO
IPC分类号: E05B17/00
CPC分类号: E05B17/0004 , Y10S198/953 , Y10T29/5127 , Y10T29/513 , Y10T29/5137 , Y10T29/53048 , Y10T29/53313 , Y10T29/534 , Y10T29/53457 , Y10T29/53478