US3580475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking trays
Assignee: Hoerner Waldorf Corp
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Filing: 1969-10-14
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Granted: 1971-05-25
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Expires: 1989-10-14
Abstract
Abstract A paperboard tray is provided which has opposed end walls including an outer end wall panel, corner flaps hinged to the sidewalls, and an end wall liner panel. The end wall liner panels are provided with a pair of hingedly connected flanges, one of which is hinged to the liner panel and extends on a horizontal plane, and the other of which engages an abutment on the corner flaps to support the first flange. The bottom of one tray is adapted to rest on the horizontal flanges of a similar tray for stacking purposes.
Inventors
- 👤 Odess V Mobley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:19
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/001; B65D5/0015; B65D5/003; B65D5/0035; B65D5/20; B65D5/2038; B65D5/2047; B65D5/22; Y; Y10; Y10S; Y10S229/00; Y10S229/915
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
114 words
A stacking tray including: a generally rectangular bottom panel; sidewalls hingedly connected to opposite sides of said bottom panel; end walls hingedly connected to opposite ends of said bottom panel; corner flaps on the ends of said sidewalls and foldable inwardly of said end walls; end wall liner panels hinged to said end walls and foldable inwardly of said corner flaps; a generally U-shaped cut line in each said liner panel defining a first flange hinged to said liner panel and a second flange hinged to said first flange; and abutment means on said corner flaps against which said second flange may engage to hold said first flange substantially parallel to said bottom panel.
Claim 2
Dependent Claim
114 words
A stacking tray including: a generally rectangular bottom panel; sidewalls hingedly connected to opposite sides of said bottom panel; end walls hingedly connected to opposite ends of said bottom panel; corner flaps on the ends of said sidewalls and foldable inwardly of said end walls; end wall liner panels hinged to said end walls and foldable inwardly of said corner flaps; a generally U-shaped cut line in each said liner panel defining a first flange hinged to said liner panel and a second flange hinged to said first flange; and abutment means on said corner flaps against which said second flange may engage to hold said first flange substantially parallel to said bottom panel.
Claim 3
Dependent Claim
19 words
The structure of claim 1 and in which said side and end walls are outwardly inclined from the vertical.
Claim 4
Dependent Claim
19 words
The structure of claim 1 and in which each end wall liner panel includes a single U-shaped cut line.
Claim 5
Dependent Claim
21 words
The structure of claim 1 and in which each end wall liner panel includes a pair of spaced U-shaped cut lines.
Claim 6
Dependent Claim
51 words
The structure of claim 1 and in which each U-shaped cut line includes a cut line extending parallel to, and spaced from the lower end edge of the liner panel, and generally right angular cut lines extending toward the fold line connecting the corresponding liner panel to the corresponding end wall.
Claim 7
Dependent Claim
30 words
The structure of claim 1 and in which the portions of the liner panels within the cut lines expose portions of the corner flaps against which said second flanges engage.
Claim 8
Dependent Claim
21 words
The structure of claim 1 and in which said corner Flaps include slots, the lower edges of which form said abutments.
Claim 9
Dependent Claim
28 words
The structure of claim 1 and in which each said end wall includes a hand hole which is outwardly of said second flange when engaged with said abutments.
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |