Lockable name plate

Card – picture – or sign exhibiting – Check – label – or tag – Baggage checks

Patent

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Details

40490, 40600, 40621, 70276, G09F 704, G09F 710

Patent

active

041842774

ABSTRACT:
A name plate assembly having invisible locking means requiring the use of an externally applied magnet.
The name plate assembly includes the use of a base member having one or more dovetailed type rails on one face and a game plate having corresponding dovetail recesses for slidingly engaging with the rails of the base member. Mounted on the base member is a first magnet means which normally engage with the name plate to hold the name plate locked securely on the base member. The magnet means can only be disengaged from the name plate by the application to the assembly of a second magnet means withdrawing the first magnet means from locking engagement with the name plate.

REFERENCES:
patent: 511167 (1893-12-01), Shaffer et al.
patent: 767298 (1904-08-01), Louis
patent: 1542789 (1925-06-01), Mackintosh
patent: 2009905 (1935-07-01), Rankin
patent: 2901278 (1959-08-01), Robinson
patent: 3393541 (1968-07-01), Wake
patent: 3650379 (1972-03-01), Montagne
patent: 3684292 (1972-08-01), Penrod et al.
patent: 3736779 (1973-06-01), Pratt
patent: 3744833 (1973-07-01), Berducone
"Magnetic Lock", Popular Science, 2-1951, pp. 219-220.

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