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US4988004A Expired / Lapsed US ⏱️ 0.0 years remaining

Bend 'n peel child resistant/tamper evident blister package

Assignee: Individual
•
Filing: 1990-03-12
•
Granted: 1991-01-29
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Expires: 2010-03-12
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Abstract

Abstract A blister package has some provision for showing evidence of tampering and is child resistant. It is reinforced by a backing sheet made of a material which separates into strata on tearing and adhered to a rupturable film closing article containing pockets. The backing sheet is provided with tabbed tear strips overlying the pockets. On tearing the tear strips separate into strata indicating that opening has been started.

Inventors

  • 👤 Thomas D. Intini

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 06:03
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/325; B65D75/327; B65D2215/00; B65D2215/04; B65D2575/00; B65D2575/28; B65D2575/30; B65D2575/32; B65D2575/3209; B65D2575/3218; B65D2575/3227; B65D2575/3236; B65D2585/00; B65D2585/56

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 192 words
A child-resistant tamper evident package such as medicaments in the form of capsules, tablets or the like, the package comprising an outer front blister layer having a plurality of article receiving pockets formed therein, a rupturable foil being sealed to planar portions of the back of the blister layer to thereby form a continuous uninterrupted cover over said pockets, said foil being of a thickness and material which can be ruptured to provide access to the pockets, and a reinforcing back layer formed of a paper board material, a major portion of said back layer being adhered to said foil layer and a minor portion being non-adhered thereto, said paperboard back layer being adapted to separate into strata, a plurality of tear strips formed in said reinforcing back layer, each tear strip being associated with one of said article receiving pockets, a tab member formed at one end of each of said tear strips, said tear strips being defined by a plurality of spaced apart cuts formed in said reinforcing back layer, said tab members forming said minor portion of said reinforcing back layer which is not adhered to said foil layer.
Claim 2
Dependent Claim 192 words
A child-resistant tamper evident package such as medicaments in the form of capsules, tablets or the like, the package comprising an outer front blister layer having a plurality of article receiving pockets formed therein, a rupturable foil being sealed to planar portions of the back of the blister layer to thereby form a continuous uninterrupted cover over said pockets, said foil being of a thickness and material which can be ruptured to provide access to the pockets, and a reinforcing back layer formed of a paper board material, a major portion of said back layer being adhered to said foil layer and a minor portion being non-adhered thereto, said paperboard back layer being adapted to separate into strata, a plurality of tear strips formed in said reinforcing back layer, each tear strip being associated with one of said article receiving pockets, a tab member formed at one end of each of said tear strips, said tear strips being defined by a plurality of spaced apart cuts formed in said reinforcing back layer, said tab members forming said minor portion of said reinforcing back layer which is not adhered to said foil layer.
Claim 3
Dependent Claim 30 words
The package according to claim 1 wherein said blister layer has a plurality of indentations formed therein, each one of said indentations being associated with one of said tab members.
Claim 4
Dependent Claim 23 words
The package according to claim 2 wherein the rupturable film extends into the indentations and is sealed onto a surface of the indentation.

References Cited (Backward Citations)

US3255880A Cited
US3921805A Cited
GB2003819A Cited
US4311234A Cited
US4371080A Cited
US4506789A Cited
US4666040A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-01-28 1994-07-30 1995-01-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-01-28 1998-07-30 1999-01-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-01-28 2002-07-30 2003-01-29 $7700.00 Window Closed / Lapsed

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