US4492333A — Single slice pie carton with slanted openable rea…

Claim 1

Independent Claim 403 words

A paperboard blank for forming a wedge shaped carton having an openable slanted rear wall, said blank comprising: a trapezoidal first side panel having parallel top and bottom edges and non-parallel first and second side edges, said first side edge being substantially perpendicular to said top and bottom edges, and said top edge being longer than said bottom edge; an isosceles triangular top panel having first and second equal side edges and a base edge, said top panel first side edge and said first side panel top edge being hingedly connected and of equal length; an isosceles triangular bottom panel having first and second equal side edges and a base edge, said bottom panel first side edge and said first side panel bottom edge being hingedly connected and of equal length, the angle between said first and second side edges of said top panel being equal to the angle between the first and second side edges of said bottom panel; a trapezoidal second side panel having parallel top and bottom edges and non-parallel first and second side edges, said first and second side panels being substantially identical in size and configuration, said second side panel top edge and said top panel second side edge being hingedly connected and of equal length; a trapezoidal third side panel having parallel top and bottom edges and non-parallel first and second edges, said first and third side panels being of substantially identical size and configuration, said third side panel bottom edge and said bottom panel second side edge being hingedly connected and of equal length; an isosceles trapezoidal top flap having parallel top and bottom edges and non-parallel side edges, said top flap top edge and said top panel base edge being hingedly connected and of equal length, said top flap bottom edge and said bottom panel base edge being of substantially equal length and said top flap side edges and said first side panel second edge being of substantially equal length; and an isosceles trapezoidal bottom flap having parallel top and bottom edges and non-parallel side edges, said bottom flap and said top flap being of substantially identical size and configuration, said bottom flap bottom edge and said bottom panel base edge being hingedly connected and of substantially equal length, whereby the carton formed from said blank includes a double side wall and a double slanted rear wall for protecting a slice of pie stored therein.

Claim 2

Dependent Claim 403 words

A paperboard blank for forming a wedge shaped carton having an openable slanted rear wall, said blank comprising: a trapezoidal first side panel having parallel top and bottom edges and non-parallel first and second side edges, said first side edge being substantially perpendicular to said top and bottom edges, and said top edge being longer than said bottom edge; an isosceles triangular top panel having first and second equal side edges and a base edge, said top panel first side edge and said first side panel top edge being hingedly connected and of equal length; an isosceles triangular bottom panel having first and second equal side edges and a base edge, said bottom panel first side edge and said first side panel bottom edge being hingedly connected and of equal length, the angle between said first and second side edges of said top panel being equal to the angle between the first and second side edges of said bottom panel; a trapezoidal second side panel having parallel top and bottom edges and non-parallel first and second side edges, said first and second side panels being substantially identical in size and configuration, said second side panel top edge and said top panel second side edge being hingedly connected and of equal length; a trapezoidal third side panel having parallel top and bottom edges and non-parallel first and second edges, said first and third side panels being of substantially identical size and configuration, said third side panel bottom edge and said bottom panel second side edge being hingedly connected and of equal length; an isosceles trapezoidal top flap having parallel top and bottom edges and non-parallel side edges, said top flap top edge and said top panel base edge being hingedly connected and of equal length, said top flap bottom edge and said bottom panel base edge being of substantially equal length and said top flap side edges and said first side panel second edge being of substantially equal length; and an isosceles trapezoidal bottom flap having parallel top and bottom edges and non-parallel side edges, said bottom flap and said top flap being of substantially identical size and configuration, said bottom flap bottom edge and said bottom panel base edge being hingedly connected and of substantially equal length, whereby the carton formed from said blank includes a double side wall and a double slanted rear wall for protecting a slice of pie stored therein.

Claim 3

Dependent Claim 24 words

A blank as in claim 1 wherein a front tab is foldably connected to said first side panel along the first side edge thereof.

Claim 4

Dependent Claim 24 words

A blank as in claim 1 wherein rear tabs are foldably connected respectively to the second edges of said first and third side panels.

Claim 5

Dependent Claim 48 words

A blank as in claim 3 wherein said rear tabs are locking tabs, each said locking tab including a locking hook member, and wherein said bottom flap includes a pair of slots dimensioned and located to engage said locking hook members on a carton formed from said blank.

Claim 6

Dependent Claim 189 words

A rear-loading wedge-shaped paperboard container for single serving slices of pie, said container comprising: opposed substantially parallel isosceles triangular top and bottom panels each having a pair of equal side edges and a base edge, said top panel side and base edges being longer than said bottom panel side and base edges, the angle between the top panel side edges being substantially equal to the angle between the bottom panel side edges; first and second upstanding substantially identical trapezoidal side walls extending between and connecting said top and bottom panel side edges; and an isosceles trapezoidal rear wall extending between and connecting the base edges of said top and bottom panels, said rear wall comprising an isosceles trapezoidal top flap hingedly connected along the entire length of said top panel base edge and an isoceles trapezoidal bottom flap hingedly connected along the entire length of said bottom panel base edge and coextensive in area with said top flap located immediately adjacent said top flap, whereby said top and bottom flaps of said rear wall may be rotated about the top and bottom panel base edges to open the container.

Claim 7

Dependent Claim 189 words

A rear-loading wedge-shaped paperboard container for single serving slices of pie, said container comprising: opposed substantially parallel isosceles triangular top and bottom panels each having a pair of equal side edges and a base edge, said top panel side and base edges being longer than said bottom panel side and base edges, the angle between the top panel side edges being substantially equal to the angle between the bottom panel side edges; first and second upstanding substantially identical trapezoidal side walls extending between and connecting said top and bottom panel side edges; and an isosceles trapezoidal rear wall extending between and connecting the base edges of said top and bottom panels, said rear wall comprising an isosceles trapezoidal top flap hingedly connected along the entire length of said top panel base edge and an isoceles trapezoidal bottom flap hingedly connected along the entire length of said bottom panel base edge and coextensive in area with said top flap located immediately adjacent said top flap, whereby said top and bottom flaps of said rear wall may be rotated about the top and bottom panel base edges to open the container.

Claim 8

Dependent Claim 29 words

A container as in claim 5 wherein said rear wall further includes a pair of rear tabs, one said rear tab being hingedly connected to each said side wall.

Claim 9

Dependent Claim 36 words

A container as in claim 6 wherein each said rear tab includes a locking hook member, and wherein said bottom flap includes a pair of slots, said locking hook members being hingedly engaged in said slots.

Claim 10

Dependent Claim 31 words

A container as in claim 5 wherein said first trapezoidal side wall is defined by a pair of substantially identical trapezoidal side wall panels disposed in face to face contacting relationship.

Claim 11

Dependent Claim 31 words

A container as in claim 8 wherein said first trapezoidal side wall further includes a front tab disposed in face to face contacting relationship with one said trapezoidal side wall panel.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1988-01-08	1988-07-09	1989-01-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1992-01-08	1992-07-09	1993-01-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1996-01-08	1996-07-09	1997-01-08	$7700.00	Window Closed / Lapsed

Single slice pie carton with slanted openable rear wall and blank for forming same

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag