Magnetic system for the unlocking of padlocks and locks

Locks – Operating mechanism – Using a powered device

Reexamination Certificate

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Details

C070S413000, C070S424000, C070S428000, C070S455000

Reexamination Certificate

active

07621161

ABSTRACT:
A magnetic system for the unlocking of padlocks and locks including, a lock-cover element which together with a component fixed to a fitting allows or disallows access to a keyhole. A unlocking-key element which has the function of blocking or unblocking the lock-cover element.

REFERENCES:
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patent: 3967479 (1976-07-01), Vick
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patent: 6397647 (2002-06-01), Kuo
patent: 6550298 (2003-04-01), Su
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patent: 2007/0113605 (2007-05-01), Lopez
patent: 19500846 (1996-07-01), None
patent: 29619390 (1997-03-01), None
patent: 20103571 (2001-06-01), None
patent: 1088951 (2001-04-01), None
patent: 1422364 (2004-05-01), None
patent: 2677069 (1992-12-01), None

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