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US4293068A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-layered foil cigarette pack with strip sealed tear flap

Assignee: Focke and Co GmbH and Co KG
•
Filing: 1979-10-02
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Granted: 1981-10-06
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Expires: 1999-10-02
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Abstract

Abstract An opening flap 22 in a cigarette pack formed by a bonded foil laminate including an aluminum layer 10 and a paper layer 11 is defined by a tear line 23 formed by discontinuous perforations 24 extending completely through the laminate. The tear line is overlaid by a cover strip 27 of adhesive to maintain an aroma and moisture-proof seal in the folded pack.

Inventors

  • 👤 Heinz Focke
  • 👤 Kurt Liedtke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 15:53
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/26; B65D75/52; B65D75/58; B65D75/5827; B65D75/5833

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 133 words
A cigarette pack, comprising: (a) a rectangular container folded from a laminated blank including an outer layer (10) of metal foil and an inner layer (11) of paper bonded thereto, (b) an opening flap (22) disposed on adjoining top and upper front surfaces of the container, said flap being defined by a tear line (23) formed by aligned but discontinuous perforations (24) extending completely through the metal foil and paper layers, and (c) a localized band-like layer (27) of aroma and moisture-proof, severable adhesive material bonded to the interior surface of said paper layer, overlying and straddling the tear line, and extending laterally outwardly therefrom to a limited degree on the interior of the container, whereby said opening flap may be torn off from the container to gain access to the contents thereof.
Claim 2
Dependent Claim 133 words
A cigarette pack, comprising: (a) a rectangular container folded from a laminated blank including an outer layer (10) of metal foil and an inner layer (11) of paper bonded thereto, (b) an opening flap (22) disposed on adjoining top and upper front surfaces of the container, said flap being defined by a tear line (23) formed by aligned but discontinuous perforations (24) extending completely through the metal foil and paper layers, and (c) a localized band-like layer (27) of aroma and moisture-proof, severable adhesive material bonded to the interior surface of said paper layer, overlying and straddling the tear line, and extending laterally outwardly therefrom to a limited degree on the interior of the container, whereby said opening flap may be torn off from the container to gain access to the contents thereof.
Claim 3
Dependent Claim 23 words
A pack according to claim 1, wherein the metal foil is aluminum and spaced connecting points (25) bridge the gaps between adjacent perforations.
Claim 4
Dependent Claim 42 words
A pack according to claim 2, wherein the localized layer of adhesive material is adjoined by additional seam sealing adhesive material strips (16, 17; 28, 29) to form a unified adhesive material pattern on the paper layer side of the laminated blank.
Claim 5
Dependent Claim 26 words
A pack according to claim 2, wherein the connecting points (25) are defined by angled perforations (26) oriented in a direction opposite to the tear direction.
Claim 6
Dependent Claim 51 words
A pack according to claim 4, wherein the opening flap has an unattached edge on the upper front surface of the container which serves as a grip tab (32), said grip tab being formed by overlapping edge strips (30, 31) of the laminated blank on the front surface of the container.

References Cited (Backward Citations)

DE158812C Cited
US3510053A Cited
US3580466A Cited
US3620438A Cited
US3952868A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-10-05 1985-04-06 1985-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-10-05 1989-04-06 1989-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-10-05 1993-04-06 1993-10-06 $7700.00 Window Closed / Lapsed

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