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US4266671A Expired / Lapsed US ⏱️ 0.0 years remaining

Carton hanger-opener

Assignee: WestRock Minnesota Corp
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Filing: 1979-08-08
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Granted: 1981-05-12
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Expires: 1999-08-08
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Abstract

Abstract In a carton of rectangular cross-section having first and second side wall panels, first and second end wall panels and top and bottom closure panels, an improved top closure panel comprising a hang tab extending upwardly from the top of one of said side wall panels, said tab being integrally formed with and pivotally attached to the top edge of said one of said side wall panels, a top cover panel integrally formed with and hingedly attached to the top edge of the other one of said side walls and extending across the top of said carton, said top cover panel including an extension thereon, means attaching said extension to said tab, and a tear strip integrally formed in, removably attached along all its sides but one to, and hingedly attached along said one side thereof to said top edge of said one of said side wall panels for opening the top of said carton to remove the contents thereof, said tear strip, when detached from said carton along said removably attached sides, being folded under said tab about said hinge whereby said tab may be folded downwardly and tucked in said open carton top to close said carton.

Inventors

  • 👤 Harry I. Roccaforte

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 08:43
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/5405; B65D5/542; B65D5/5425; B65D5/4208; Y; Y10; Y10S; Y10S206/00; Y10S206/806; Y10S229/00; Y10S229/915

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 321 words
In a carton of rectangular cross-section having first and second side wall panels, first and second end wall panels and top and bottom closure panels, an improved top closure panel comprising: a. a hang tab extending upwardly from the top of one of said side wall panels, said tab being integrally formed with and hingedly attached to the top edge of said one of said side wall panels, b. a top cover panel integrally formed with and hingedly attached to the top edge of the other one of said side wall panels and extending across the top of said carton, c. a tear strip integrally formed in, removably attached along all its sides but one to, and hingedly attached along said one side thereof to said top edge of said one of said side wall panels for opening the top of said carton to remove the contents thereof, said tear strip, when detached from said carton along said removably attached sides, being folded under said tab about said hinged attachment whereby said tab may be folded downwardly and tucked in said open carton top to reclose said carton, d. said carton further including means for removably attaching said hang tab to said one side wall panel of said carton when said hang tab is folded downwardly about said hinged attachment, e. said means for removably attaching said hang tab to said one side wall panel of said carton including: i. at least one integrally formed, detachable panel in said one side wall panel of said carton, and ii. glue applied to said detachable panel whereby said hang tab adheres to said detachable panel until such time as force is applied to said hang tab thereby removing said detachable panel from said one carton side wall panel with said hang tab and allowing said hang tab to be moved from a position adjacent said one side wall panel to a vertical position.
Claim 2
Dependent Claim 321 words
In a carton of rectangular cross-section having first and second side wall panels, first and second end wall panels and top and bottom closure panels, an improved top closure panel comprising: a. a hang tab extending upwardly from the top of one of said side wall panels, said tab being integrally formed with and hingedly attached to the top edge of said one of said side wall panels, b. a top cover panel integrally formed with and hingedly attached to the top edge of the other one of said side wall panels and extending across the top of said carton, c. a tear strip integrally formed in, removably attached along all its sides but one to, and hingedly attached along said one side thereof to said top edge of said one of said side wall panels for opening the top of said carton to remove the contents thereof, said tear strip, when detached from said carton along said removably attached sides, being folded under said tab about said hinged attachment whereby said tab may be folded downwardly and tucked in said open carton top to reclose said carton, d. said carton further including means for removably attaching said hang tab to said one side wall panel of said carton when said hang tab is folded downwardly about said hinged attachment, e. said means for removably attaching said hang tab to said one side wall panel of said carton including: i. at least one integrally formed, detachable panel in said one side wall panel of said carton, and ii. glue applied to said detachable panel whereby said hang tab adheres to said detachable panel until such time as force is applied to said hang tab thereby removing said detachable panel from said one carton side wall panel with said hang tab and allowing said hang tab to be moved from a position adjacent said one side wall panel to a vertical position.
Claim 3
Dependent Claim 322 words
In a carton of rectangular cross-section having first and second side wall panels, first and second end wall panels and top and bottom closure panels, an improved top closure panel comprising: a. a hang tab extending upwardly from the top of one of said side wall panels, said tab being integrally formed with and hingedly attached to the top edge of said one of said side wall panels, b. a top cover panel integrally formed with and hingedly attached to the top edge of the other one of said side wall panels and extending across the top of said carton, c. a tear strip integrally formed in, removably attached along all its sides but one to, and hingedly attached along said one side thereof to said top edge of said one of said side wall panels for opening the top of said carton to remove the contents thereof, said tear strip, when detached from said carton along said removably attached sides, being folded under said tab about said hinged attachment whereby said tab may be folded downwardly and tucked in said open carton top to reclose said carton, d. said carton further including means for removably attaching said hang tab to said one side wall panel of said carton when said hang tab is folded downwardly about said hinged attachment, e. said means for removably attaching said hang tab to said one side wall panel of said carton including: i. a flap integrally formed with and hingedly attached to said top cover panel, said flap being congruent with and attached to said hang tab, ii. an opening formed in said one of said side wall panels adjacent to and abutting said tear strip, and iii. said opening extending from under said downwardly folded hang tab whereby said tab may be grasped and detached from said one side wall panel and said tear strip may be grasped and removed thereby opening said carton.
Claim 4
Dependent Claim 322 words
In a carton of rectangular cross-section having first and second side wall panels, first and second end wall panels and top and bottom closure panels, an improved top closure panel comprising: a. a hang tab extending upwardly from the top of one of said side wall panels, said tab being integrally formed with and hingedly attached to the top edge of said one of said side wall panels, b. a top cover panel integrally formed with and hingedly attached to the top edge of the other one of said side wall panels and extending across the top of said carton, c. a tear strip integrally formed in, removably attached along all its sides but one to, and hingedly attached along said one side thereof to said top edge of said one of said side wall panels for opening the top of said carton to remove the contents thereof, said tear strip, when detached from said carton along said removably attached sides, being folded under said tab about said hinged attachment whereby said tab may be folded downwardly and tucked in said open carton top to reclose said carton, d. said carton further including means for removably attaching said hang tab to said one side wall panel of said carton when said hang tab is folded downwardly about said hinged attachment, e. said means for removably attaching said hang tab to said one side wall panel of said carton including: i. a flap integrally formed with and hingedly attached to said top cover panel, said flap being congruent with and attached to said hang tab, ii. an opening formed in said one of said side wall panels adjacent to and abutting said tear strip, and iii. said opening extending from under said downwardly folded hang tab whereby said tab may be grasped and detached from said one side wall panel and said tear strip may be grasped and removed thereby opening said carton.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-05-11 1984-11-10 1985-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-05-11 1988-11-10 1989-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-05-11 1992-11-10 1993-05-12 $7700.00 Window Closed / Lapsed

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