Patent US3836065A successfully refreshed from Google Patents.
US3836065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock bottom box with medial divider
Assignee: RAND-WHITNEY ROBERTSON PAPER Corp
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Filing: 1972-09-11
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Granted: 1974-09-17
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Expires: 1992-09-11
Abstract
Abstract A generally rectangular cardboard box for containing articles lies flat when it leaves the manufacturer and is shipped to the user. When the box is made up, a lock bottom retains it in its fully open condition so that the articles can easily be inserted into the box from above. The lock bottom also forms a center divider within the box itself to help maintain the articles in the proper relation within the box.
Inventors
- 👤 R Hackenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:11
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/36; B65D5/42; B65D5/44; B65D5/48
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
151 words
A one-piece collapsible lock bottom box comprising A. four wall panels hinged together to form a tube, B. a first pair of similar flaps hinged to the bottom edges of a first pair of opposite wall panels, each flap of said first pair having an additional hinge extending generally parallel to the center line of the box, the flap portion on one side of the additional hinge comprising the bottom wall of the box and the flap portion on the other side of the additional hinge comprising an upstanding divider within the box, and C. a second pair of similar flaps hinged to the bottom edges of a second pair of opposite wall panels adjacent the first pair of flaps, one flap of each pair being secured to an adjacent flap of the opposite pair and said flaps being hinged so that they interfit as the box tube is opened up.
Claim 2
Dependent Claim
151 words
A one-piece collapsible lock bottom box comprising A. four wall panels hinged together to form a tube, B. a first pair of similar flaps hinged to the bottom edges of a first pair of opposite wall panels, each flap of said first pair having an additional hinge extending generally parallel to the center line of the box, the flap portion on one side of the additional hinge comprising the bottom wall of the box and the flap portion on the other side of the additional hinge comprising an upstanding divider within the box, and C. a second pair of similar flaps hinged to the bottom edges of a second pair of opposite wall panels adjacent the first pair of flaps, one flap of each pair being secured to an adjacent flap of the opposite pair and said flaps being hinged so that they interfit as the box tube is opened up.
Claim 3
Dependent Claim
32 words
The box defined in claim 1 wherein said one flaps have portions which engage the dividing wall at opposite sides thereof so as to lock the box in its fully erected condition.
Claim 4
Dependent Claim
54 words
The box defined in claim 2 wherein the hinges in said one flaps are arranged on opposite sides of the center line of the box so that said one flaps are biased toward one another with said other flaps between them, thereby maintaining the dividing wall in a generally erect position inside the box.
Claim 5
Dependent Claim
58 words
The box defined in claim 1 and further including A. a cover flap hinged to the top edge of one of the wall panels, B. an auxiliary cover flap hinged to the top edge of another wall panel adjacent to the one wall panel, and C. means for detachably connecting the cover flap to the auxiliary cover flap.
Claim 6
Dependent Claim
189 words
A one-piece box comprising A. four wall panels hinged together to form a tube, B. a first pair of flaps hinged to the bottom edges of a pair of opposite wall panels, each flap of said first pair having an additional hinge extending generally parallel to the center line of the box, the flap portion on one side of the additional hinge comprising the bottom wall of the box and the flap portion on the other side of the additional hinge comprising an upstanding divider within the box, and C. a second pair of flaps hinged to the bottom edges of the remaining two wall panels, each flap of the second pair having a first portion which underlies one flap of the first pair of flaps at one side of the divider and overlies the other flap of the first pair at the opposite side of the divider, each said first flap portion 1 being secured to the flap of the first pair which it underlies, 2 comprising the bottom wall of the box, and 3 engaging the divider so as to lock the box in its erected condition.
Claim 7
Dependent Claim
189 words
A one-piece box comprising A. four wall panels hinged together to form a tube, B. a first pair of flaps hinged to the bottom edges of a pair of opposite wall panels, each flap of said first pair having an additional hinge extending generally parallel to the center line of the box, the flap portion on one side of the additional hinge comprising the bottom wall of the box and the flap portion on the other side of the additional hinge comprising an upstanding divider within the box, and C. a second pair of flaps hinged to the bottom edges of the remaining two wall panels, each flap of the second pair having a first portion which underlies one flap of the first pair of flaps at one side of the divider and overlies the other flap of the first pair at the opposite side of the divider, each said first flap portion 1 being secured to the flap of the first pair which it underlies, 2 comprising the bottom wall of the box, and 3 engaging the divider so as to lock the box in its erected condition.
Claim 8
Dependent Claim
23 words
The carton defined in claim 5 and further including a cover flap hinged to the top edge of one of the wall panels.
Claim 9
Dependent Claim
25 words
The carton defined in claim 6 wherein the height of the cover flap corresponds to the height of the panel to which it is hinged.
Claim 10
Dependent Claim
42 words
The carton defined in claim 5 and further including A. an auxiliary cover flap hinged to the top edge of a wall panel adjacent said one wall panel, and B. means for detachably connecting the cover flap and the auxiliary cover flap.
Claim 11
Dependent Claim
44 words
The carton defined in claim 5 wherein each flap of the second pair of flaps includes a second portion A. hinged to tHe first portion along a line extending generally parallel to the divider, and B. lies more or less flush against the divider.
Claim 12
Dependent Claim
52 words
The carton defined in claim 9 wherein the hinges between the first and second portions of the second flap pair are set back a small distance from the divider so that the flaps tend to tilt toward the divider so as to maintain it in a generally erect condition inside the box.
Claim 13
Dependent Claim
103 words
a blank for forming a lock bottom box with an internal divider comprising A. four wall panels, hinged together, B. a first pair of similar flaps hinged to the bottom edge of two non-adjacent wall penels, each flap in the first pair having a second hinge parallel to and spaced from its hinge to the wall panel, C. a second pair of similar flaps hinged to the bottom edge of the other two non-adjacent wall panels, each flap in the second pair having a lateral slot positioned opposite and generally in line with the second hinge in one flap of the first pair.
Claim 14
Dependent Claim
103 words
a blank for forming a lock bottom box with an internal divider comprising A. four wall panels, hinged together, B. a first pair of similar flaps hinged to the bottom edge of two non-adjacent wall penels, each flap in the first pair having a second hinge parallel to and spaced from its hinge to the wall panel, C. a second pair of similar flaps hinged to the bottom edge of the other two non-adjacent wall panels, each flap in the second pair having a lateral slot positioned opposite and generally in line with the second hinge in one flap of the first pair.
Claim 15
Dependent Claim
24 words
The blank defined in claim 11 wherein the edges of the first pair of flaps not facing said slots are cut on a bias.
Claim 16
Dependent Claim
40 words
The blank defined in claim 11 and further including another hinge in each flap of the second pair extending generally perpendicular to the second hinge from the inner end of the corresponding slot to the free edge of the flap.
Claim 17
Dependent Claim
44 words
The blank defined in claim 13 and further including an additional hinge in each flap of the second pair extending parallel to the hinges between the flaps and the panels from the inner end of the corresponding slot to the edge of the flap.
Claim 18
Dependent Claim
33 words
The blank defined in claim 13 wherein the edge portion of each flap of the second pair opposite the other hinge at the non-slotted side of the flap is cut on a bias.
Claim 19
Dependent Claim
45 words
The blank defined in claim 11 and further including another hinge in each flap of the second pair extending from the corresponding slot obliquely to the edge of the flap containing the slot generally to a point thereon where the flap joins its wall panel.
References Cited (Backward Citations)
US3158286A
Cited
US3145902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |