Tamper proof package with electrical circuit

Details Tamper proof package with electrical circuit Tamper proof package with electrical circuit

1986-07-09

1987-12-08

Marcus, Stephen

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

116100, 206534, 206807, 215201, 220449, 324525, 324557, 340537, 340572, 368 10, B65D 5502

Patent

active

047113685

ABSTRACT:
A tamper proof package for determining whether or not a package has been opened or tampered with before opening the package is provided. The package has an electrical conductor of known resistance which is so positioned that any attempt to open the package or to tamper with the contents destroys all or part of the conductor. The resistance of the conductor can be measured at the time of sale or during the shelf life of the package to determine whether or not the package has been opened or tampered with.

REFERENCES:
patent: 480038 (1892-08-01), Rudd
patent: 956046 (1910-04-01), Davis
patent: 2019393 (1935-10-01), Carah
patent: 3878941 (1975-04-01), Kelner
patent: 4243932 (1981-01-01), Kakumoto et al.
patent: 4329681 (1982-05-01), Parsons
patent: 4333577 (1982-06-01), Mumford
patent: 4526474 (1985-07-01), Simon
patent: 4584571 (1986-04-01), Smit et al.
patent: 4617557 (1986-10-01), Gordon

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