US3851808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray having an extruded edge
Assignee: Plastics Inc
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Filing: 1972-09-08
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Granted: 1974-12-03
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Expires: 1992-09-08
Abstract
Abstract A tray is provided having a peripheral frame of extruded plastic material. The frame includes an upwardly and outwardly inclined wall provided with a vertical wall near its lower extremity spaced upper and lower flanges define an inwardly opening channel which engages the marginal edges of a bottom panel. The extrusions forming the side and end walls are secured together at the corners.
Inventors
- 👤 P Schilling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:08
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A tray including: side and end walls formed of plastic and being of similar crosssectional shape, said walls being integral and including a vertical wall portion, a pair of integral vertically spaced upper and lower flanges extending inwardly from said vertical wall portion, an upwardly and outwardly inclined wall portion integral with said vertical wall portion, a rim extending downwardly from said vertical wall portion throughout the length thereof, said rim extending below the lower surface of said flanges, means connecting said side and end walls to form a generally rectangular frame, and a bottom panel marginally engaged between said upper and lower flanges, said inner surfaces of said upwardly and outwardly inclined walls terminating at the inner ends of said upper flanges and the outer surface of said upwardly and outwardly inclined walls terminating at the outer surface of said vertical wall portion.
Claim 2
Dependent Claim
144 words
A tray including: side and end walls formed of plastic and being of similar crosssectional shape, said walls being integral and including a vertical wall portion, a pair of integral vertically spaced upper and lower flanges extending inwardly from said vertical wall portion, an upwardly and outwardly inclined wall portion integral with said vertical wall portion, a rim extending downwardly from said vertical wall portion throughout the length thereof, said rim extending below the lower surface of said flanges, means connecting said side and end walls to form a generally rectangular frame, and a bottom panel marginally engaged between said upper and lower flanges, said inner surfaces of said upwardly and outwardly inclined walls terminating at the inner ends of said upper flanges and the outer surface of said upwardly and outwardly inclined walls terminating at the outer surface of said vertical wall portion.
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) | 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 |