US3851754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacked trays
Assignee: Preci Spark Ltd
•
Filing: 1972-11-03
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Granted: 1974-12-03
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Expires: 1992-11-03
Abstract
Abstract A pack for transporting a plurality of individual meals ready for service comprises a number of interfitting trays which are stacked into a pack which can quickly be fastened together for stable transport.
Inventors
- 👤 R Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:02
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/02; B65D21/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
198 words
An assembly of stacked interfitting trays, each tray comprising a top with a depending skirt around the perimeter thereof, a groove formed at the junction between the top and the skirt and extending about the perimeter of the tray, said groove interFitting with the bottom edge of an identically shaped skirt of the tray next above it in the stack, each tray having at least two locating recesses in the bottom edge of the skirt and at least two raised lugs formed by interruptions in said groove and extending upwardly from the plane of the bottom of the groove, the lugs being shaped to mate with and positioned along the groove to fit snugly into said recesses of an identically shaped skirt of the tray next above it in the stack, and recessed compartments formed into said top, and further including, a cover disposed above the uppermost tray, said cover including a said depending skirt with recesses interfitting with the groove and the lugs of the uppermost tray, respectively, a handle attached to the cover, and a quick release tie means about all of the trays and the cover for holding the assembly together as a unitary pack.
Claim 2
Dependent Claim
198 words
An assembly of stacked interfitting trays, each tray comprising a top with a depending skirt around the perimeter thereof, a groove formed at the junction between the top and the skirt and extending about the perimeter of the tray, said groove interFitting with the bottom edge of an identically shaped skirt of the tray next above it in the stack, each tray having at least two locating recesses in the bottom edge of the skirt and at least two raised lugs formed by interruptions in said groove and extending upwardly from the plane of the bottom of the groove, the lugs being shaped to mate with and positioned along the groove to fit snugly into said recesses of an identically shaped skirt of the tray next above it in the stack, and recessed compartments formed into said top, and further including, a cover disposed above the uppermost tray, said cover including a said depending skirt with recesses interfitting with the groove and the lugs of the uppermost tray, respectively, a handle attached to the cover, and a quick release tie means about all of the trays and the cover for holding the assembly together as a unitary pack.
Claim 3
Dependent Claim
34 words
An assembly according to claim 1, in which the tie means comprise resilient binding cords with claw clips at the two ends thereof engaging said locating recesses in the lowest tray of the assembly.
Claim 4
Dependent Claim
33 words
An assembly according to claim 1, in which at least one of the recessed compartments of each tray is provided with an upstanding rim to receive a sealing lid for the compartment concerned.
Claim 5
Dependent Claim
30 words
An assembly according to claim 1, in which the cover is centrally recessed and has a bar handle spanning this recess and flush with the upper surface of the cover.
References Cited (Backward Citations)
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US2595113A
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Cited
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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) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |