Missing card warning device

Details Missing card warning device Missing card warning device

1991-03-27

1992-06-30

Cuchlinski, Jr., William A.

Signals and indicators

Indicators

116 1, G08B 502, G01D 1300

Patent

active

051253569

ABSTRACT:
A device is disclosed for alerting an owner of a credit card, debit card, or the like of a situation in which a card is missing from a card holder device. The device comprises a substantially planar sheet having an surface, a lower surface, an aligning edge, and at least two vacant edges and being configured for placement behind a card in a card holder device; and a substantially planar member positioned longitudinally along the aligning edge, the substantially planar member having a fixed edge affixed to the planar sheet and a free edge normally being biased in a direction away from the surface, the free edge being forced in a direction against the surface when pressure is applied toward the substantially planar member. The fixed edge may be affixed proximate the aligning edge or a vacant edge.

REFERENCES:
patent: 2707930 (1955-05-01), Miles
patent: 2767756 (1956-10-01), Niles
patent: 3369585 (1968-02-01), Martinsen
patent: 3648832 (1972-03-01), Kirshenbaum et al.
patent: 4697698 (1987-10-01), Holdener
patent: 4717908 (1988-01-01), Phillips et al.
patent: 4719453 (1988-01-01), Beck et al.
patent: 4852727 (1989-08-01), Oberle
patent: 5052328 (1991-10-01), Eppenbach

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