US4346813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closured and divided box
Assignee: Dart Industries Inc
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Filing: 1977-10-25
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Granted: 1982-08-31
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Expires: 1997-10-25
Abstract
Abstract A container with outwardly bowed walls having a removable divider with positioning flanges at its ends which are adapted to mate with similarly shaped surfaces formed in the side walls of the container.
Inventors
- 👤 Kazunobu Cho
- 👤 Roger P. Beauchamp
- 👤 Robert F. Batemou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:40
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/02; B65D25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A sealable storage container having an interconnecting side and bottom wall construction said side wall including inwardly directed oppositely positioned protrusions of a width of between about 25% and 60% of the height of said side wall and which extend between points proximate said bottom wall and the upper edge of said side wall, said protrusions gradually increasing in depth toward their upper extents to create a wedge-like appearance inwardly of said container and an upright imperforate divider member having an upright flange at either end thereof, each of said flanges being bounded along its vertical and upper extents by outwardly extending walls that mate with said protrusions and which at the lower extent thereof blend into said flange in a shape compatible with the interconnection between said side and bottom wall construction.
Claim 2
Dependent Claim
133 words
A sealable storage container having an interconnecting side and bottom wall construction said side wall including inwardly directed oppositely positioned protrusions of a width of between about 25% and 60% of the height of said side wall and which extend between points proximate said bottom wall and the upper edge of said side wall, said protrusions gradually increasing in depth toward their upper extents to create a wedge-like appearance inwardly of said container and an upright imperforate divider member having an upright flange at either end thereof, each of said flanges being bounded along its vertical and upper extents by outwardly extending walls that mate with said protrusions and which at the lower extent thereof blend into said flange in a shape compatible with the interconnection between said side and bottom wall construction.
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) | 1985-08-30 | 1986-03-01 | 1986-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-30 | 1990-03-01 | 1990-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-30 | 1994-03-01 | 1994-08-31 | $7700.00 | Window Closed / Lapsed |