US3575338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package comprising an outer carton blank and a lining and provided with means preventing wedging
Assignee: Akerlund and Rausing AB
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Filing: 1969-09-02
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Granted: 1971-04-20
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Expires: 1989-09-02
Abstract
Abstract Projections at the edge of traylike packages are provided to prevent wedging when stacking a plurality of packages. The projections are made by flaps formed by slots at the upper edge of the carton, which flaps are depressed outwardly when a plastic foil is deep-drawn into the package.
Inventors
- 👤 Rolf Magnus Dilot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:49
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/56
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
96 words
A package comprising a traylike carton having a deep-drawn lining therein, said carton being provided with at least one slot extending inwardly from the upper edge of said carton, and a slot at the inner end of said first slot extending at right angles thereto, said slots defining at least one flap, said at least one flap being depressed outwardly by the deep-drawn lining to form at least one projection composed of said at least one flap and said lining in the wall of said traylike carton to prevent wedging of a plurality of stacked packages.
Claim 2
Dependent Claim
96 words
A package comprising a traylike carton having a deep-drawn lining therein, said carton being provided with at least one slot extending inwardly from the upper edge of said carton, and a slot at the inner end of said first slot extending at right angles thereto, said slots defining at least one flap, said at least one flap being depressed outwardly by the deep-drawn lining to form at least one projection composed of said at least one flap and said lining in the wall of said traylike carton to prevent wedging of a plurality of stacked packages.
Claim 3
Dependent Claim
36 words
A package as claimed in claim 1 wherein said traylike carton is rectangular in shape and has four rounded corners and is provided with a plurality of projections, said projections being located at said rounded corners.
Claim 4
Dependent Claim
43 words
A package as claimed in claim 1 wherein the lining of said traylike carton is provided with a projecting flange about the upper edge thereof extending outwardly beyond said at least one projection to conceal said wedging preventing projection when viewed from above.
References Cited (Backward Citations)
US3489331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |