Locks – Parts – attachments – accessories and adjuncts – For key-operated mechanism
Patent
1987-04-24
1988-10-11
Gall, Lloyd A.
Locks
Parts, attachments, accessories and adjuncts
For key-operated mechanism
D 3 61, A47G 2910
Patent
active
047761911
ABSTRACT:
A key holder having one end provided with an end opening such that a key ring may be easily removed therefrom. The end opening is formed by a passage which connects to a key ring retaining opening, and the passage is normally closed by a spring biased plunger which is operable to open the passage.
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patent: 2527457 (1950-10-01), Schupbach
patent: 2531325 (1950-11-01), De Cesaris
patent: 4584858 (1986-04-01), Wolter
patent: 4592219 (1986-06-01), Richter
patent: 4644611 (1987-02-01), Tanaka
Doherty Robert J.
Gall Lloyd A.
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