US3869077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton blank with turn down closures
Assignee: Ahlstrom Corp
•
Filing: 1972-11-30
•
Granted: 1975-03-04
•
Expires: 1992-11-30
Abstract
Abstract The invention relates to a carton blank for the forming of a carton for transportation and storage of a plurality of smaller articles, the blank comprising four sides each being provided with a cover flap and a bottom flap and wherein at least one cover flap and the adjacent side is provided with cuts to enable the portion between the cuts to be turned down to render the contents of the ready assembled carton readily accessible even in a crowded place.
Inventors
- 👤 Martti Johannes Tuura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:22
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0236; B65D5/42; B65D5/54; B65D5/5405; B65D5/72; B65D5/725
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
209 words
A carton blank which comprises a panel of sheet material divided into four sections connected to one another along respective fold lines that define the upright edges of the assembled carton, each section defining a corresponding upright side of the assembled carton; a plurality of first flaps each connected to a corresponding section along a fold line defining a respective bottom edge of the assembled carton, said first flaps together forming the bottom of the assembled carton; a plurality of second flaps each connected to a corresponding section along a fold line defining a corresponding top edge of the assembled carton, said second flaps together forming the top of the assembled carton; means defining in at least one of said sections and the second flap adjoining thereto a pair of spaced-apart cuts dividing the second flaps into three portions and continuing into the section to define therein a central portion connected to the central portion of the second flap and extending from a fold line located in the section intermediate the carton bottom and top edge fold lines thereof, said central portions of such second flap and section forming in the assembled carton a closure which can be turned down to render the entire interior of the carton accessible.
Claim 2
Dependent Claim
209 words
A carton blank which comprises a panel of sheet material divided into four sections connected to one another along respective fold lines that define the upright edges of the assembled carton, each section defining a corresponding upright side of the assembled carton; a plurality of first flaps each connected to a corresponding section along a fold line defining a respective bottom edge of the assembled carton, said first flaps together forming the bottom of the assembled carton; a plurality of second flaps each connected to a corresponding section along a fold line defining a corresponding top edge of the assembled carton, said second flaps together forming the top of the assembled carton; means defining in at least one of said sections and the second flap adjoining thereto a pair of spaced-apart cuts dividing the second flaps into three portions and continuing into the section to define therein a central portion connected to the central portion of the second flap and extending from a fold line located in the section intermediate the carton bottom and top edge fold lines thereof, said central portions of such second flap and section forming in the assembled carton a closure which can be turned down to render the entire interior of the carton accessible.
Claim 3
Dependent Claim
35 words
A blank as in claim 1 including a pair of said cuts in each of two of said second flaps opposite to each other in the assembled carton, and the sections adjoining said second flaps.
Claim 4
Dependent Claim
52 words
A blank as in claim 2, said cuts in said second flaps being situated at such a distance from the side edges of said second flaps that the width of the portions outside of said cuts is less than half the height of the uncut second flaps of the adjacent side sections.
Claim 5
Dependent Claim
51 words
A blank as in claim 3, said uncut second flaps having at the half of their height a fold line parallel to the free edge of the flap, said second flaps being intended in the assembled carton to be folded around said outer portion of said second flaps divided by cuts.
Claim 6
Dependent Claim
46 words
A blank as in claim 4, the free edges of said uncut second flaps having each at least one projection intended to be inserted into a corresponding slit situated along the fold line between said flap and the adjacent side section upon folding of said flap.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |