Window and door lock

Closure fasteners – Portable

Patent

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Details

292DIG46, E05C 1754

Patent

active

041052331

ABSTRACT:
A lock for closures, having horizontally sliding panels, such as doors or windows, which is so constructed that one or two horizontally slidable closures may be opened partially to provide ventillation but to an extent insufficient to afford ingress to an intruder.

REFERENCES:
patent: 1838713 (1931-12-01), Solomon
patent: 3112635 (1963-12-01), Van Harn et al.
patent: 3975041 (1976-08-01), Edison

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