US3625410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible containers and blank for making same
Assignee: Individual
•
Filing: 1969-06-18
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Granted: 1971-12-07
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Expires: 1989-06-18
Abstract
Abstract This disclosure teaches a top-loading collapsible rectangular container including a cover formed from an integral blank of sheet material and the blank from which the container is formed. The container includes a self-unfolding bottom and bottom corner construction of increased strength and an end wall and cover corner construction of increased strength.
Inventors
- 👤 Urban C Hirschey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:29
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/36; B65D5/3607; B65D5/3685; B65D5/18; B65D5/42; B65D5/44; B65D5/46; B65D5/46008; B65D5/46016
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
400 words
A flat, integral blank of sheet material for forming a container, the blank comprising a. a rectangular bottom wall panel, b. a rectangular first sidewall panel joined along its bottom edge, defined by a fold line, to one longitudinal edge of the bottom wall panel, c. a rectangular second sidewall panel joined along its bottom edge defined by a fold line, to the other longitudinal edge of the bottom wall panel, the second side wall panel having a fold line parallel to and spaced from its bottom edge, d. a first top wall panel joined along one longitudinal edge, defined by a fold line, to the top edge of the first sidewall panel, e. a second top wall panel including a primary portion, a lid portion, a first tab joined to each end of the primary portion along a fold line, means for joining the first tab to the lid portion, the primary portion being joined along one longitudinal edge, defined by a fold line, to the top edge of the second sidewall panel, the lid portion being joined to the other longitudinal edge of the primary portion along a fold line, f. a first end wall panel joined to each of the two opposite side edges of the first sidewall panel and being coextensive in length therewith, each of the first end wall panels being traversed by an intermediate fold line dividing each first end wall panel into two flaps, the flaps remote from the first sidewall panel having a bottom edge spaced upwardly from the bottom edge of the first sidewall panel, g. a third tab joined to the upper edge of each first end wall panel along a fold line, the third tabs being equal in width to the width of the first end walls and including an intermediate fold line colinear with the first end wall panel intermediate fold line, h. rectangular second end wall panels joined to each of the two opposite side edges of the second side wall panel and being coextensive in length therewith, and i. a bottom tab joined to each oF the two opposite side edges of the bottom wall panel along a fold line, each of the bottom tabs having a diagonal fold line extending outwardly from the point of intersection of the bottom edge of the second end wall panels and the side edge of the bottom wall panel.
Claim 2
Dependent Claim
400 words
A flat, integral blank of sheet material for forming a container, the blank comprising a. a rectangular bottom wall panel, b. a rectangular first sidewall panel joined along its bottom edge, defined by a fold line, to one longitudinal edge of the bottom wall panel, c. a rectangular second sidewall panel joined along its bottom edge defined by a fold line, to the other longitudinal edge of the bottom wall panel, the second side wall panel having a fold line parallel to and spaced from its bottom edge, d. a first top wall panel joined along one longitudinal edge, defined by a fold line, to the top edge of the first sidewall panel, e. a second top wall panel including a primary portion, a lid portion, a first tab joined to each end of the primary portion along a fold line, means for joining the first tab to the lid portion, the primary portion being joined along one longitudinal edge, defined by a fold line, to the top edge of the second sidewall panel, the lid portion being joined to the other longitudinal edge of the primary portion along a fold line, f. a first end wall panel joined to each of the two opposite side edges of the first sidewall panel and being coextensive in length therewith, each of the first end wall panels being traversed by an intermediate fold line dividing each first end wall panel into two flaps, the flaps remote from the first sidewall panel having a bottom edge spaced upwardly from the bottom edge of the first sidewall panel, g. a third tab joined to the upper edge of each first end wall panel along a fold line, the third tabs being equal in width to the width of the first end walls and including an intermediate fold line colinear with the first end wall panel intermediate fold line, h. rectangular second end wall panels joined to each of the two opposite side edges of the second side wall panel and being coextensive in length therewith, and i. a bottom tab joined to each oF the two opposite side edges of the bottom wall panel along a fold line, each of the bottom tabs having a diagonal fold line extending outwardly from the point of intersection of the bottom edge of the second end wall panels and the side edge of the bottom wall panel.
Claim 3
Dependent Claim
41 words
A blank as defined in claim 1 wherein the first top wall panel comprises a primary section joined to the first sidewall panel and a reinforcing section extending outwardly from the primary section and being joined thereto along a fold line.
Claim 4
Dependent Claim
83 words
A blank as defined in claim 2 including an elongated slot through the second top wall panel adapted to receive a handle, a second elongated slot through the primary section of the first top wall panel and wherein the handle is affixed to the reinforcing section at a position such that when the reinforcing section is folded toward the primary section along its fold line, the handle is aligned with the slots in the primary section and in the second top wall panel.
Claim 5
Dependent Claim
83 words
A blank as defined in claim 1 including a first U-shaped slit through the first sidewall panel and extending downwardly from the fold line joining the first top wall panel and the first sidewall panel and a second U-shaped slit through the lid portion and extending from the fold line joining primary portion of the second top wall panel and the lid portion, the first and second U-shaped slits being aligned in a direction parallel to the side edge of the sidewall panels.
Claim 6
Dependent Claim
35 words
A blank as defined in claim 1 wherein the means for joining the primary portion to the lid portion comprises a second tab joined to each end of the lid portion along a fold line.
Claim 7
Dependent Claim
37 words
A blank as defined in claim 1 wherein the means for joining the first tab to the lid portion comprises an extension joined to each of the remote ends of the first tabs along a fold line.
Claim 8
Dependent Claim
33 words
A blank as defined in claim 1 wherein the bottom tabs are joined to the opposite side edges of the bottom wall panel and the bottom edge of the second end wall panels.
Claim 9
Dependent Claim
332 words
An integral rectangular foldable container comprising: a. a rectangular bottom wall having an uninterrupted surface without a fold line intermediate the edges thereof, b. a pair of parallel sidewalls joined along their bottom edge to the opposite longitudinal edges of the bottom wall, one of the sidewalls having a first intermediate fold line parallel to its bottom edge and spaced from its bottom edge a distance equal to one-half the width of the bottom wall, c. a pair of first end walls hingedly joined along one longitudinal edge to the opposite side edges of a first one of the sidewalls, each of the first end walls being traversed longitudinally by a second intermediate fold line dividing the first end walls into two flaps, d. a pair of second end walls hingedly joined along one longitudinal edge to the opposite side edges of a second one of the sidewalls, each second end wall extending from the side wall to which it is attached beyond the intermediate fold line of the first end wall, each first end wall overlying its corresponding second end wall and the flap of each of the first end walls remote from the first side wall being joined to the second end walls along the surface adjacent to the second sidewall, e. the pair of end walls hingedly joined to the sidewall having the first intermediate fold line having a transverse fold line colinear with the first intermediate fold line, f. one bottom wall tab joined along a fold line to each end of the bottom wall, a portion of the exterior surface of one of the end walls adjacent to the bottom wall being secured to a portion of its adjacent bottom wall tab, each bottom wall tab having a fold line extending outwardly from the juncture point of the bottom wall and the end wall to which the bottom wall tab is secured, and g. a cover hingedly joined to the top edge of one of the sidewalls.
Claim 10
Dependent Claim
332 words
An integral rectangular foldable container comprising: a. a rectangular bottom wall having an uninterrupted surface without a fold line intermediate the edges thereof, b. a pair of parallel sidewalls joined along their bottom edge to the opposite longitudinal edges of the bottom wall, one of the sidewalls having a first intermediate fold line parallel to its bottom edge and spaced from its bottom edge a distance equal to one-half the width of the bottom wall, c. a pair of first end walls hingedly joined along one longitudinal edge to the opposite side edges of a first one of the sidewalls, each of the first end walls being traversed longitudinally by a second intermediate fold line dividing the first end walls into two flaps, d. a pair of second end walls hingedly joined along one longitudinal edge to the opposite side edges of a second one of the sidewalls, each second end wall extending from the side wall to which it is attached beyond the intermediate fold line of the first end wall, each first end wall overlying its corresponding second end wall and the flap of each of the first end walls remote from the first side wall being joined to the second end walls along the surface adjacent to the second sidewall, e. the pair of end walls hingedly joined to the sidewall having the first intermediate fold line having a transverse fold line colinear with the first intermediate fold line, f. one bottom wall tab joined along a fold line to each end of the bottom wall, a portion of the exterior surface of one of the end walls adjacent to the bottom wall being secured to a portion of its adjacent bottom wall tab, each bottom wall tab having a fold line extending outwardly from the juncture point of the bottom wall and the end wall to which the bottom wall tab is secured, and g. a cover hingedly joined to the top edge of one of the sidewalls.
Claim 11
Dependent Claim
105 words
A container as defined in claim 8, including a. an end wall tab joined at the top edge of each first end Wall and having a fold line colinear with the intermediate fold line on the first end walls, the end wall tabs having a width equal to the width of the first end walls, b. a projection extending outwardly from the line of juncture of the flat top wall and said one of the sidewalls and c. a slot through the cover aligned with the projection such that upon closure of the cover, the projection projects through the slot securing the cover in place.
Claim 12
Dependent Claim
32 words
A container as defined in claim 8 wherein said portion of each of the bottom wall tabs lies between the outwardly extending fold line and the end wall adjacent said juncture point.
Claim 13
Dependent Claim
53 words
A container as defined in claim 8, wherein the bottom edge of the flap of each of the first end walls remote from the side wall to which the first end walls are attached is spaced from the bottom wall a distance at least equal to one-half the width of the bottom wall.
Claim 14
Dependent Claim
35 words
A container as defined in claim 8 wherein said bottom wall tab is substantially coextensive with the width of the bottom wall at its fold line joining the bottom wall tab to the bottom wall.
Claim 15
Dependent Claim
345 words
A flat integral blank of sheet material for forming a container, the blank comprising a. a rectangular bottom wall panel having an uninterrupted surface without a fold line intermediate the edges thereof, b. a rectangular first sidewall panel joined along its bottom edge defined by a fold line to one longitudinal edge of the bottom wall panel, c. a rectangular second sidewall panel joined along its bottom edge defined by a fold line to the other longitudinal edge of the bottom wall panel, the second sidewall panel having a fold line parallel its bottom edge and spaced from its bottom edge a distance equal to one-half the width of the bottom wall, d. a first top wall panel joined along one longitudinal edge defined by a fold line to the top edge of one of the sidewall panels, e. a pair of first end wall panels, a first end wall panel being joined to each of the two opposite side edges of one of the side wall panels and being substantially coextensive in length therewith, each of the first end wall panels being traversed by an intermediate fold line dividing each first end wall panel into two flaps, f. a pair of second end wall panels, a second end wall panel being joined to each of the two opposite side edges of the other of said sidewall panels, g. one of said pairs of end wall panels being joined to the second sidewall panel and having a transverse fold line colinear with the second sidewall panel fold line spaced from its bottom edge, and h. a bottom tab joined to each of the opposite side edges of the bottom wall panel along a fold line, each of the bottom tabs being substantially coextensive with the width of the bottom wall at said fold line joining the bottom tabs to the bottom wall and having an oblique fold line extending outwardly from the point of intersection of the bottom edge of one of the end wall panels and the side edge of the bottom wall panel.
Claim 16
Dependent Claim
345 words
A flat integral blank of sheet material for forming a container, the blank comprising a. a rectangular bottom wall panel having an uninterrupted surface without a fold line intermediate the edges thereof, b. a rectangular first sidewall panel joined along its bottom edge defined by a fold line to one longitudinal edge of the bottom wall panel, c. a rectangular second sidewall panel joined along its bottom edge defined by a fold line to the other longitudinal edge of the bottom wall panel, the second sidewall panel having a fold line parallel its bottom edge and spaced from its bottom edge a distance equal to one-half the width of the bottom wall, d. a first top wall panel joined along one longitudinal edge defined by a fold line to the top edge of one of the sidewall panels, e. a pair of first end wall panels, a first end wall panel being joined to each of the two opposite side edges of one of the side wall panels and being substantially coextensive in length therewith, each of the first end wall panels being traversed by an intermediate fold line dividing each first end wall panel into two flaps, f. a pair of second end wall panels, a second end wall panel being joined to each of the two opposite side edges of the other of said sidewall panels, g. one of said pairs of end wall panels being joined to the second sidewall panel and having a transverse fold line colinear with the second sidewall panel fold line spaced from its bottom edge, and h. a bottom tab joined to each of the opposite side edges of the bottom wall panel along a fold line, each of the bottom tabs being substantially coextensive with the width of the bottom wall at said fold line joining the bottom tabs to the bottom wall and having an oblique fold line extending outwardly from the point of intersection of the bottom edge of one of the end wall panels and the side edge of the bottom wall panel.
Claim 17
Dependent Claim
26 words
A blank as defined in claim 13 wherein each of said bottom tabs is joined to the bottom edge of the end wall panels adjacent thereto.
Claim 18
Dependent Claim
48 words
A blank as defined in claim 13 wherein each of said bottom tabs has a notch cut in the corner thereof opposite the corner formed by the intersection of the bottom edge of one of the end wall panels and the side edge of the bottom wall panel.
Claim 19
Dependent Claim
32 words
A blank as defined in claim 13 wherein each of said bottom tabs is joined to the bottom edge of the end wall panel which is joined to the second sidewall panel.
Claim 20
Dependent Claim
53 words
A blank as defined in claim 13 wherein the bottom edge of the flap of the first end wall panel remote from said one of the sidewall panels is spaced from the bottom edge of said one of the sidewall panels a distance equal to one-half the width of the bottom wall panel.
Claim 21
Dependent Claim
59 words
A blank as defined in claim 17, wherein the bottom edge of the flap of the first end wall panel contiguous to said one of the sidewall panels forms an aCute angle with respect to the side edge of said one of the sidewall panels and intersects the bottom edge of its adjacent flap at the intermediate fold line.
Claim 22
Dependent Claim
53 words
A blank as defined in claim 13, including a second top wall panel having a primary portion and a lid portion joined to one longitudinal edge of the primary portion along a fold line, the primary portion being joined to the sidewall panel to which the first top wall panel is not joined.
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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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |