Patent US5669062A successfully refreshed from Google Patents.
US3756501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box top closure
Assignee: Somerville Industries Ltd
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Filing: 1971-12-14
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Granted: 1973-09-04
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Expires: 1991-12-14
Abstract
Abstract A reclosable paperboard carton having a container portion and a lid portion. The container portion has a front wall which has a lip panel at its upper end folded outwardly upon itself to provide a downwardly directed locking ledge on the outer surface of the front wall. The lid has a front wall with a lip panel at the lower edge thereof folded inwardly to provide an upwardly directed locking ledge. At least one of the lip panels is secured to its front wall at spaced intervals. The portions of the lip between the adhesively secured portions are outwardly biased by the resilient character of the paperboard so as to be spaced from its front wall. Preferably both of the lip panels have an outwardly biased portion and the outwardly biased portions are arranged in alignment with one another to engage one another when the carton is closed. The front wall of the container portion may also have a cut extending parallel to the downwardly directed locking ledge so as to permit the portions of the upper edge of the container portion adjacent to the outwardly biased locking ledge to twist during opening and closing of the carton.
Inventors
- 👤 W Skillen
- 👤 T Dews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:45
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/28; B65D5/42; B65D5/64; B65D5/66; B65D5/6626; B65D5/665; B65D5/6661; B65D5/6664; B65D5/6667
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
239 words
A paperboard carton comprising: a. a container portion having front, back, bottom and side walls, b. a lid portion having at least a top and front wall, c. said top wall of said lid being hingedly connected to said back wall of said container, d. downwardly directed locking ledge means formed outwardly from said front wall of said container and spaced downwardly from the upper edge thereof, e. upwardly directed locking ledge means formed inwardly of said front wall of said lid and spaced upwardly from the lower edge thereof, f. at least one of said ledge means being formed by folding one of said front walls upon itself to provide a lip panel having an outer edge forming one of said locking ledges, g. said lip panel being adhesively secured in the folded configuration to its front wall at widely spaced longitudinal intervals, h. said lip extending continuously between said widely spaced adhesively secured portions thereof and being outwardly biased by the resilient character of the paperboard, i. the front wall of said lid having a sufficient length to overlap the front wall of said container portion to locate the locking ledge of the lid in the position underlying and closely adjacent the locking lip of the container when the lid is in a closed position, j. said front walls being resiliently deformable to disengage said locking ledges to permit said lid to move to an open position.
Claim 2
Dependent Claim
239 words
A paperboard carton comprising: a. a container portion having front, back, bottom and side walls, b. a lid portion having at least a top and front wall, c. said top wall of said lid being hingedly connected to said back wall of said container, d. downwardly directed locking ledge means formed outwardly from said front wall of said container and spaced downwardly from the upper edge thereof, e. upwardly directed locking ledge means formed inwardly of said front wall of said lid and spaced upwardly from the lower edge thereof, f. at least one of said ledge means being formed by folding one of said front walls upon itself to provide a lip panel having an outer edge forming one of said locking ledges, g. said lip panel being adhesively secured in the folded configuration to its front wall at widely spaced longitudinal intervals, h. said lip extending continuously between said widely spaced adhesively secured portions thereof and being outwardly biased by the resilient character of the paperboard, i. the front wall of said lid having a sufficient length to overlap the front wall of said container portion to locate the locking ledge of the lid in the position underlying and closely adjacent the locking lip of the container when the lid is in a closed position, j. said front walls being resiliently deformable to disengage said locking ledges to permit said lid to move to an open position.
Claim 3
Dependent Claim
243 words
A paperboard carton comprising: a. a container portion having front, back, bottom and side walls, b. a lid portion having at least a front wall and a top wall, c. said lid being hingedly connected to said back wall of said container portion, d. said front wall of said container portion being folded outwardly upon itself at its upper end to provide a lip panel disposed outwardly from said front wall and forming a downwardly directed locking ledge thereon, e. said front wall of said lid being folded inwardly on itself at its lower end to provide a lip panel disposed inwardly from said front wall of said lid and forming an upwardly directed ledge thereon, f. at least one of said lips being adhesively secured to the front wall from which it extends at widely spaced longitudinal intervals to retain said one lip in the folded configuration, g. said lip extending continuously between the adhesively secured portions thereof and being outwardly biased by the resilient character of the paperboard, h. the front wall of said lid having a sufficient length to overlap the front wall of said container portions to locate the locking ledge of the lid in a position underlying and closely adjacent to the locking ledge of the container portion when the lid is in a closed position, i. said front walls being resiliently dEformable to disengage said locking ledges to permit said lid to move to an open position.
Claim 4
Dependent Claim
243 words
A paperboard carton comprising: a. a container portion having front, back, bottom and side walls, b. a lid portion having at least a front wall and a top wall, c. said lid being hingedly connected to said back wall of said container portion, d. said front wall of said container portion being folded outwardly upon itself at its upper end to provide a lip panel disposed outwardly from said front wall and forming a downwardly directed locking ledge thereon, e. said front wall of said lid being folded inwardly on itself at its lower end to provide a lip panel disposed inwardly from said front wall of said lid and forming an upwardly directed ledge thereon, f. at least one of said lips being adhesively secured to the front wall from which it extends at widely spaced longitudinal intervals to retain said one lip in the folded configuration, g. said lip extending continuously between the adhesively secured portions thereof and being outwardly biased by the resilient character of the paperboard, h. the front wall of said lid having a sufficient length to overlap the front wall of said container portions to locate the locking ledge of the lid in a position underlying and closely adjacent to the locking ledge of the container portion when the lid is in a closed position, i. said front walls being resiliently dEformable to disengage said locking ledges to permit said lid to move to an open position.
Claim 5
Dependent Claim
69 words
A paperboard carton as claimed in claim 2 wherein both of the lip panels are adhesively secured to their respective front walls at widely spaced longitudinal intervals, the adhesive connections being arranged such that the portions of each lip panel which are located between the adhesive connections are arranged in alignment with one another, each of said portions being outwardly biased to increase the locking interference between locking ledges.
Claim 6
Dependent Claim
45 words
A paperboard carton as claimed in claim 1, wherein said front wall panel of said container portion is severed along a line which is generally parallel to the upper edge of the front panel and spaced inwardly from the side edges of the front panel.
Claim 7
Dependent Claim
34 words
A paperboard carton as claimed in claim 4 wherein said severed portion of said front wall is coextensive with the portion of the lip panel which is located between the adhesively secured portions thereof.
Claim 8
Dependent Claim
37 words
A paperboard carton as claimed in claim 5 wherein said lip of said front wall of said lid is adhesively secured to the front wall of said container portion when said carton is sealed for shipping purposes.
Claim 9
Dependent Claim
35 words
A paperboard carton as claimed in claim 1 wherein the edge along which the lip panel is connected to its front wall is weakened in the area of the adhesively secured portions of the lip.
References Cited (Backward Citations)
US3295742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |