Patent US4304353A successfully refreshed from Google Patents.
US4304353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container with latching structure
Assignee: Gaylord Container Corp
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Filing: 1980-06-16
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Granted: 1981-12-08
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Expires: 2000-06-16
Abstract
Abstract A container of corrugated paperboard or the like comprising the combination of a box body having a bottom wall and interconnecting side walls and resilient wedge-shaped latch means attached to the box body and positionable in the aperture of a cover when the cover is positioned over the interior of the box body whereby the cover is retained by the latch means.
Inventors
- 👤 Ray H. Stollberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/64; B65D5/66; B65D5/6626; B65D5/6629; B65D5/6644
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
176 words
A container comprising the combination of: a box body having a bottom wall and interconnecting side walls defining a box interior; a cover for said box body having at least one aperture formed therein; and latch means comprising a tab attached to at least one of said side walls, and tab positionable through said cover aperture with a portion thereof extending beyond said cover when said cover is positioned over said box interior and having a lock flap hingedly connected to the remainder of said tab along a hinge line formed in the tab, said lock flap including a projection and shoulder means and adapted to be folded along said hinge line to extend downwardly adjacent the remainder of said tab with said projection positionable in said cover aperture and said shoulder means engaging the upper surface of said cover to retain said cover on said box body, said lock flap being continually biased away from the remainder of said tab after being folded about the hinge line to maintain said tab projection in said aperture.
Claim 2
Dependent Claim
176 words
A container comprising the combination of: a box body having a bottom wall and interconnecting side walls defining a box interior; a cover for said box body having at least one aperture formed therein; and latch means comprising a tab attached to at least one of said side walls, and tab positionable through said cover aperture with a portion thereof extending beyond said cover when said cover is positioned over said box interior and having a lock flap hingedly connected to the remainder of said tab along a hinge line formed in the tab, said lock flap including a projection and shoulder means and adapted to be folded along said hinge line to extend downwardly adjacent the remainder of said tab with said projection positionable in said cover aperture and said shoulder means engaging the upper surface of said cover to retain said cover on said box body, said lock flap being continually biased away from the remainder of said tab after being folded about the hinge line to maintain said tab projection in said aperture.
Claim 3
Dependent Claim
24 words
The container of claim 1 wherein said cover aperture has a variable width configuration including a reduced aperture area for accomodating said tab projection.
Claim 4
Dependent Claim
32 words
The container of claim 1 wherein said tab portion when in cover retaining position defines a generally wedge-shaped configuration with the upper surface of the tab portion being substantially continuous and unbroken.
Claim 5
Dependent Claim
35 words
The container of claim 2 wherein said cover aperture is partially defined by tapered surfaces formed in said cover and engageable by said tab lock flap when said cover is positioned over said box interior.
Claim 6
Dependent Claim
133 words
A container comprising the combination of: a box body having a bottom wall and interconnecting side walls defining a box interior; a cover for said box body having at least one aperture formed therein; and at least one tab extending upwardly from said side walls, said tab including a lock flap having a projection and shoulder means, said lock flap being resiliently hingedly connected to the remainder of said tab, said tab adapted to extend through said cover aperture when said cover is positioned over said box interior and, said lock flap being adapted to be bent downwardly adjacent the remainder of said tab with the projection resiliently positioned in the aperture and the shoulder means in engagement with said cover to retain said cover on said box and resist upward movement thereof.
Claim 7
Dependent Claim
133 words
A container comprising the combination of: a box body having a bottom wall and interconnecting side walls defining a box interior; a cover for said box body having at least one aperture formed therein; and at least one tab extending upwardly from said side walls, said tab including a lock flap having a projection and shoulder means, said lock flap being resiliently hingedly connected to the remainder of said tab, said tab adapted to extend through said cover aperture when said cover is positioned over said box interior and, said lock flap being adapted to be bent downwardly adjacent the remainder of said tab with the projection resiliently positioned in the aperture and the shoulder means in engagement with said cover to retain said cover on said box and resist upward movement thereof.
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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) | 1984-12-07 | 1985-06-08 | 1985-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-07 | 1989-06-08 | 1989-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-07 | 1993-06-08 | 1993-12-08 | $7700.00 | Window Closed / Lapsed |