US3981434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening carton for frozen comestible
Assignee: Georgia Pacific Consumer Products LP
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Filing: 1975-04-10
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Granted: 1976-09-21
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Expires: 1995-04-10
Abstract
Abstract A trunk-style carton for ice cream and the like which displays greater ease in opening and superior protective properties for the product, after removal of a portion of the carton contents and reclosure of the carton, by virtue of a liner sheet beneath the carton cover which covers the upper surface of the carton contents completely and is adhered at one end to the upper portion of the inner surface of the carton back wall and at the other end to a zipper strip or a bonding portion of the inner surface of the carton front cover panel.
Inventors
- 👤 Gary Allen Ramich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:03
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/56; B65D5/60; B65D5/603; B65D5/54; B65D5/5405; B65D5/5415
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
181 words
A paperboard carton for ice cream comprising a front wall, a bottom wall, a rear wall, opposed end walls and a top cover panel hingedly attached along one edge to the upper edge of the back wall and having a front cover panel hingedly attached to the opposite edge of said top cover panel and overlapping the upper portion of the front wall when the carton is erected, said front cover panel being separated by a pair of spaced upper and lower weakness lines substantially parallel to the hinge line between said top cover panel and said front cover panel into an upper cover front skirt portion, an intermediate detachable portion and a lower bonding portion adhesively bonded to said front wall, and a flexible, water-resistant liner sheet adhered along one edge thereof to the interior surface of said back wall, said sheet extending to substantially completely cover the interior surface of said top cover panel and being adhered along the opposite edge thereof to the inner surface of said front cover panel in an area below said upper weakness line.
Claim 2
Dependent Claim
181 words
A paperboard carton for ice cream comprising a front wall, a bottom wall, a rear wall, opposed end walls and a top cover panel hingedly attached along one edge to the upper edge of the back wall and having a front cover panel hingedly attached to the opposite edge of said top cover panel and overlapping the upper portion of the front wall when the carton is erected, said front cover panel being separated by a pair of spaced upper and lower weakness lines substantially parallel to the hinge line between said top cover panel and said front cover panel into an upper cover front skirt portion, an intermediate detachable portion and a lower bonding portion adhesively bonded to said front wall, and a flexible, water-resistant liner sheet adhered along one edge thereof to the interior surface of said back wall, said sheet extending to substantially completely cover the interior surface of said top cover panel and being adhered along the opposite edge thereof to the inner surface of said front cover panel in an area below said upper weakness line.
Claim 3
Dependent Claim
35 words
A carton according to claim 1 wherein said liner sheet is adhered to the detachable portion of said front cover panel by an adhesive bond which is readily fracturable at normal frozen food storage temperatures.
Claim 4
Dependent Claim
15 words
A carton according to claim 1 wherein said liner sheet is a flexible plastic web.
Claim 5
Dependent Claim
12 words
A carton according to claim 3 wherein said liner sheet is polypropylene.
Claim 6
Dependent Claim
281 words
A carton comprising a receptacle portion including a receptacle front wall, a bottom wall, a rear wall and opposed receptacle end walls, and a cover assembly including a top cover panel hingedly connected to the upper edge of said receptacle rear wall, a front cover panel hingedly attached to and depending from the edge of said top cover panel remote from its hinge connection to said rear wall, and a pair of cover end skirt panels, each connected by a hinge score line to a respective end edge of said top cover panel, corner glue tabs adhesively connecting said cover front panel with said respective cover end skirt panels to form corners of the cover, said cover front panel including an upper cover front skirt portion, a lower marginal bonding portion for adhesive connection with said receptacle front wall, and an intermediate, detachable zipper strip portion defined by a pair of fracturable lines of weakness joining said detachable portion to said upper cover front skirt portion and to said lower bonding portion, respectively, of said cover front panel, a flexible, water-resistant liner sheet substantially covering the inside surface of said top cover panel, the upper portion of said receptacle rear wall, said upper cover front skirt portion and said intermediate detachable portion of said cover front panel and being adhered along a first edge thereof to the interior surface of said rear wall close to the hinge line connection between said rear wall and said top cover panel, and adhered along its opposite edge to the interior surface of said detachable portion of said front cover panel by an adhesive bond which is readily fracturable at normal frozen food storage temperatures.
Claim 7
Dependent Claim
281 words
A carton comprising a receptacle portion including a receptacle front wall, a bottom wall, a rear wall and opposed receptacle end walls, and a cover assembly including a top cover panel hingedly connected to the upper edge of said receptacle rear wall, a front cover panel hingedly attached to and depending from the edge of said top cover panel remote from its hinge connection to said rear wall, and a pair of cover end skirt panels, each connected by a hinge score line to a respective end edge of said top cover panel, corner glue tabs adhesively connecting said cover front panel with said respective cover end skirt panels to form corners of the cover, said cover front panel including an upper cover front skirt portion, a lower marginal bonding portion for adhesive connection with said receptacle front wall, and an intermediate, detachable zipper strip portion defined by a pair of fracturable lines of weakness joining said detachable portion to said upper cover front skirt portion and to said lower bonding portion, respectively, of said cover front panel, a flexible, water-resistant liner sheet substantially covering the inside surface of said top cover panel, the upper portion of said receptacle rear wall, said upper cover front skirt portion and said intermediate detachable portion of said cover front panel and being adhered along a first edge thereof to the interior surface of said rear wall close to the hinge line connection between said rear wall and said top cover panel, and adhered along its opposite edge to the interior surface of said detachable portion of said front cover panel by an adhesive bond which is readily fracturable at normal frozen food storage temperatures.
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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) | 1979-09-21 | 1980-03-22 | 1980-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-21 | 1984-03-22 | 1984-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-21 | 1988-03-22 | 1988-09-21 | $7700.00 | Window Closed / Lapsed |