Tamper indicating closure

Details Tamper indicating closure Tamper indicating closure

1986-11-14

1988-04-12

Marcus, Stephen

Bottles and jars

Closures

Including visual indicia

B65D 5502

Patent

active

047368578

ABSTRACT:
A device for indicating whether a container having a cap has been opened. The device includes a switch or pressure transducer for detecting the engagement of the cap to the container and disengagement therefrom. A display, which is visible through the top of the cap, provides a plurality of messages which are in an irreversible and nonrepeatable sequence for indicating whether or not the cap has ever been removed from the container.

REFERENCES:
patent: 2066889 (1937-01-01), Kay
patent: 2414420 (1947-01-01), Sebell
patent: 2821951 (1958-02-01), Carver
patent: 2939597 (1960-06-01), Greene
patent: 3396482 (1968-08-01), Pradenas
patent: 3685677 (1972-08-01), Westfall
patent: 3736899 (1973-06-01), Manske
patent: 3794200 (1974-02-01), Marks
patent: 3923198 (1975-12-01), Brochman
patent: 4011829 (1977-03-01), Wachsmann et al.
patent: 4150371 (1979-04-01), Scaglione
patent: 4440306 (1984-04-01), Van Buskirk et al.
patent: 4446979 (1984-05-01), Gach et al.
patent: 4448317 (1984-05-01), Thompson
patent: 4483449 (1984-11-01), Jones
patent: 4489841 (1984-12-01), Thompson
patent: 4500005 (1985-02-01), Forrester
patent: 4502605 (1985-03-01), Wloszczyna
patent: 4505399 (1985-03-01), Weiner
patent: 4511052 (1985-04-01), Klein et al.
patent: 4545493 (1985-10-01), Shivers
patent: 4553678 (1985-11-01), Thorsbakken
patent: 4571691 (1986-02-01), Kennon
patent: 4579240 (1986-04-01), Ou-Yang
patent: 4588098 (1986-05-01), Uzdy
patent: 4588465 (1986-05-01), Paciorek

Affiliated with

Also associated with

Rating

Tamper indicating closure does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tamper indicating closure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tamper indicating closure will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1424417