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US4702383A Expired / Lapsed US ⏱️ 0.0 years remaining

Tamper proof package

Assignee: Filtromatic Corp
•
Filing: 1986-08-07
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Granted: 1987-10-27
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Expires: 2006-08-07
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Abstract

Abstract A tamper-proof package includes a vessel, closure and locking member having downwardly and outwardly extending tabs of a contrasting color welded to the vessel. The tabs are frangible to break upon twisting of the cap to provide visibly contrasting evidence of tampering observable from above the package.

Inventors

  • 👤 Harry Wender

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 06:52
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/3495

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 78 words
A tamper indicating package comprising a container having a circular opening, a cap removably mounted over said container opening, and connecting means having an upper member affixed to said cap and at least one downwardly and outwardly extending tab means affixed to said container, said tab means having a frangible section intermediate the ends of said tab means adapted to break upon rotation of said cap relative to said container to provide a readily visible indication of tampering.
Claim 2
Dependent Claim 78 words
A tamper indicating package comprising a container having a circular opening, a cap removably mounted over said container opening, and connecting means having an upper member affixed to said cap and at least one downwardly and outwardly extending tab means affixed to said container, said tab means having a frangible section intermediate the ends of said tab means adapted to break upon rotation of said cap relative to said container to provide a readily visible indication of tampering.
Claim 3
Dependent Claim 19 words
A tamper indicating package in accordance with claim 1, wherein said connecting means comprises two diametrically opposite tab means.
Claim 4
Dependent Claim 18 words
A tamper indicating package in accordance with claim 1, wherein said tab means is welded to said container.
Claim 5
Dependent Claim 20 words
A tamper indicating package in accordance with claim 1, wherein said container is transparent and said connecting means is opaque.

References Cited (Backward Citations)

US2390291A Cited
US4197955A Cited
US4493427A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-10-26 1991-04-27 1991-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-10-26 1995-04-27 1995-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-10-26 1999-04-27 1999-10-27 $7700.00 Window Closed / Lapsed

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