Patent US3933296A successfully refreshed from Google Patents.
US3933296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging containers
Assignee: Lunch Locker Systems Ltd
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Filing: 1974-03-05
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Granted: 1976-01-20
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Expires: 1994-03-05
Abstract
Abstract A packaging container formed from sheet material such as plastics comprising a rectangular body having lid portions hinged along opposed edges the body and lid portions each containing at least one storage compartment and cover portions hinged to the lid portions. The cover portions are folded over and attached to the lid portions which, in turn, are folded over and attached to the body. A compact closed container is thus formed with a number of separated compartments and when open, the container presents a tray-like configuration.
Inventors
- 👤 Bryan Ernest Sydney Ruskin
- 👤 Peter James Webber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:22
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/34; B65D1/36; B65D75/00; B65D75/04; B65D75/20; B65D75/22; B65D75/24; B65D75/245
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
250 words
A packaging container comprising, in combination, a body having a pair of end walls, a pair of side walls and a bottom wall defining a storage compartment having an upper access opening, a pair of lid portions each having a pair of end walls, a pair of side walls and a bottom wall defining a storage compartment having an upper access opening, hinge means for interconnecting the upper edge portion of each of said body side walls with the upper edge portion of one of the side walls of each of said lid portions to position said lid portions on opposite sides of said body for presenting a tray-like configuration, a pair of substantially flat cover portions each having a pair of side edges and a pair of end edges, hinge means for interconnecting the upper edge portion of the other side wall on each of said lid portions with one of the side edges on each of said cover portions each of said cover portions being pivotably movable into closing relationship with the access opening of the storage compartment of the associated lid portion, said closed lid portions being subsequently pivotably movable into vertically stacked relationship with said body to position said cover portions in adjacent closing relationship with the access opening of said body storage compartment, and releasable locking means on the upper edge portions of said body, said lid portions, and said cover portions for retaining said body and said lid portions in said vertically stacked relationship.
Claim 2
Dependent Claim
250 words
A packaging container comprising, in combination, a body having a pair of end walls, a pair of side walls and a bottom wall defining a storage compartment having an upper access opening, a pair of lid portions each having a pair of end walls, a pair of side walls and a bottom wall defining a storage compartment having an upper access opening, hinge means for interconnecting the upper edge portion of each of said body side walls with the upper edge portion of one of the side walls of each of said lid portions to position said lid portions on opposite sides of said body for presenting a tray-like configuration, a pair of substantially flat cover portions each having a pair of side edges and a pair of end edges, hinge means for interconnecting the upper edge portion of the other side wall on each of said lid portions with one of the side edges on each of said cover portions each of said cover portions being pivotably movable into closing relationship with the access opening of the storage compartment of the associated lid portion, said closed lid portions being subsequently pivotably movable into vertically stacked relationship with said body to position said cover portions in adjacent closing relationship with the access opening of said body storage compartment, and releasable locking means on the upper edge portions of said body, said lid portions, and said cover portions for retaining said body and said lid portions in said vertically stacked relationship.
Claim 3
Dependent Claim
23 words
A container according to claim 1, wherein both of said hinge means include an integrally formed strip having a pleated cross sectional shape.
Claim 4
Dependent Claim
51 words
A container according to claim 1, including a flap portion hingedly connected to the other side edge of each of said cover portions, said flap portions being disposed in an upwardly extending position in the vertically stacked relationship of said body and lid portions to provide carrying handles for said container.
Claim 5
Dependent Claim
68 words
A container according to claim 1, including at least one separating wall in said body storage compartment which extends normal to the line of the hinge means for said lid portions, said separating wall having an upper edge for supporting said cover portions against the weight of any contents in the storage compartments of said lid portions in the vertically stacked relationship of said body and lid portions.
Claim 6
Dependent Claim
65 words
A container according to claim 1, and further comprising a removable insert in said body storage compartment, said insert being of smaller dimensions then said compartment and having a flange for engagement with the upper edge portions of said body, raised boss means on said body bottom wall for supporting said insert on said bottom wall in spaced relationship therewith to define an air gap.
Claim 7
Dependent Claim
36 words
A container according to claim 1, wherein said releasable locking means includes sets of connectable male and female elements of generally circular cross-section at co-incident positions on said body and on said lid and cover portions.
References Cited (Backward Citations)
US3351270A
Cited
US3381873A
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US3295737A
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US3342397A
Cited
US3567013A
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US3580650A
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US3552595A
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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) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |