US3628683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible box
Assignee: Individual
•
Filing: 1969-11-20
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Granted: 1971-12-21
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Expires: 1989-11-20
Abstract
Abstract A collapsible box comprising a bottom plate, two inwardly folding sidewalls and two inwardly folding end walls, in which the sidewalls are connected by hinges to upstanding ridges of the bottom, whereas the edges of the end walls have pegs near the upper ends and pins near their lower ends, which pegs engage in vertical slots along the edges of the sidewalls, whereas the pins engage in horizontal grooves in the upstanding ridges of the bottom plate.
Inventors
- 👤 Wolfgang Erhard Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:19
CPC Classifications
B; B65; B65D; B65D11/00; B65D11/18; B65D11/1833
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
141 words
Collapsible box, especially for shipping fruit and vegetables, comprising a plate-shaped bottom, two inwardly folding side walls and two inwardly folding end walls, the sidewalls being connected by hinges to two upstanding ridges of the bottom, whereas the upper part of the end walls carry guiding and connecting means which are formed by hammer-shaped pegs extending through vertical slots in the end parts of the sidewalls, said slots extending into the upstanding ridges of the bottom, said upstanding ridges being provided with horizontal grooves engaged by pin-shaped guiding means extending from the lower part of the end walls, the top edges of said end walls sliding vertically downwardly and the bottom edges thereof sliding horizontally inwardly when collapsing the box, the transverse edges of the bottom carrying stops which cooperate with stops of the end walls when the box is erected.
Claim 2
Dependent Claim
141 words
Collapsible box, especially for shipping fruit and vegetables, comprising a plate-shaped bottom, two inwardly folding side walls and two inwardly folding end walls, the sidewalls being connected by hinges to two upstanding ridges of the bottom, whereas the upper part of the end walls carry guiding and connecting means which are formed by hammer-shaped pegs extending through vertical slots in the end parts of the sidewalls, said slots extending into the upstanding ridges of the bottom, said upstanding ridges being provided with horizontal grooves engaged by pin-shaped guiding means extending from the lower part of the end walls, the top edges of said end walls sliding vertically downwardly and the bottom edges thereof sliding horizontally inwardly when collapsing the box, the transverse edges of the bottom carrying stops which cooperate with stops of the end walls when the box is erected.
Claim 3
Dependent Claim
42 words
Box according to claim 1, in which the bottom carries four upstanding ridges which follow the four edges of the bottom, the ridges of the longitudinal edges of the bottom being higher than the ridges of the transverse edges of the bottom.
Claim 4
Dependent Claim
19 words
Box according to claim 2, in which the hinges for the sidewalls are moulded unitary with the upstanding ridges.
Claim 5
Dependent Claim
22 words
Box according to claim 1 in which the sidewalls carry reinforcement ribs, the lower ends of which are shaped as hinge elements.
Claim 6
Dependent Claim
22 words
Box according to claim 1 in which the end walls carry reinforcement ribs, the lower ends of which are shaped as stops.
Claim 7
Dependent Claim
26 words
Box according to claim 1 in which a shoulder following the interior contours of the erected box is moulded on the underside of the bottom plate.
Claim 8
Dependent Claim
33 words
Box according to claim 1 wherein rings engaging protrusions of the upper edges of the sidewalls and end walls of the next lower box are moulded on the underside of the bottom plate.
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |