US3790064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simulated prewrap carton and automatic lock bottom arrangement
Assignee: Smurfit Diamond Packaging Corp
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Filing: 1972-01-12
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Granted: 1974-02-05
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Expires: 1992-01-12
Abstract
Abstract A carton member erectable from a collapsed condition comprising a bottom construction which automatically unfolds itself and locks the carton in erected condition on application of force to opposite folded edges thereof and a blank for assembly of such a carton member. The carton is provided with outer wrapping material adhered to the outer surfaces of the blank to afford a simulated gift wrapped package when the carton member is in erected condition.
Inventors
- 👤 R Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:34
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/10; B65D5/103; B65D5/106; B65D5/42; B65D5/62; Y; Y10; Y10S; Y10S229/00; Y10S229/922; Y10S229/923
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
187 words
A carton member including an automatic lock bottom construction, said carton member comprising four main panels integrally hinged to each other and erectable from a collapsed condition into a locked erected condition, one pair of said main panels being in opposed relationship to each other and having identical bottom lock means extending therefrom and a second pair of said main panels being iN opposed relationship to each other and having identical bottom support means extending therefrom, said lock means including a bottom lock flap with a projecting finger-like tab, and a hook tab separated from each other by a cut-out slot, said bottom support means including a generally triangular portion with a foldable extending integral therewith and terminating in a generally rectangular projection, and each of said hook tabs and said generally rectangular projection of one of said bottom support means are formed with congruent cutaway shoulders and are adhesively secured to each other, whereupon in the erection of said carton member each of said adhesively secured hook tabs and adjacent generally rectangular projection conjointly lift each other and unfold from against the respective main panels thereof.
Claim 2
Dependent Claim
187 words
A carton member including an automatic lock bottom construction, said carton member comprising four main panels integrally hinged to each other and erectable from a collapsed condition into a locked erected condition, one pair of said main panels being in opposed relationship to each other and having identical bottom lock means extending therefrom and a second pair of said main panels being iN opposed relationship to each other and having identical bottom support means extending therefrom, said lock means including a bottom lock flap with a projecting finger-like tab, and a hook tab separated from each other by a cut-out slot, said bottom support means including a generally triangular portion with a foldable extending integral therewith and terminating in a generally rectangular projection, and each of said hook tabs and said generally rectangular projection of one of said bottom support means are formed with congruent cutaway shoulders and are adhesively secured to each other, whereupon in the erection of said carton member each of said adhesively secured hook tabs and adjacent generally rectangular projection conjointly lift each other and unfold from against the respective main panels thereof.
Claim 3
Dependent Claim
37 words
The carton member as recited in claim 1 wherein in its erected condition each hook tab is received in the cut-out slot of the other lock flap and overlies a neck portion of the other lock flap.
Claim 4
Dependent Claim
30 words
The carton member as recited in claim 2 wherein in its erected condition each finger-like tab assumes an overlying relationship with the other lock flap over a shoulder portion thereof.
Claim 5
Dependent Claim
39 words
The carton member as recited in claim 3 wherein said member has adhered to the outer surface thereof a cover material which in the erected condition of said carton member affords the effect of a suitable wrapped packaged gift.
Claim 6
Dependent Claim
33 words
The carton member as recited in claim 3 wherein said member is assembled from a blank comprising glue panels integrally hinged to free edges of opposite outer ones of said four main panels.
Claim 7
Dependent Claim
53 words
The carton member as recited in claim 3 wherein said member further comprises top side flaps extending from a pair of opposite ones of said main panels, a top cover flap extending from a third one of said main panels, and a lock panel extending from a fourth one of said main panels.
Claim 8
Dependent Claim
30 words
The carton member as recited in claim 6 wherein said cover includes a lock slot and said lock panel includes an insert lock tab for cooperation with said lock slot.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |