US4260100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container closure
Assignee: Weyerhaeuser Co
•
Filing: 1979-12-06
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Granted: 1981-04-07
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Expires: 1999-12-06
Abstract
Abstract A closure construction for a hexagonal or octagonal container utilizing hinged closure panels having integral tuck-in flaps.
Inventors
- 👤 Ronald W. Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:55
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0254
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
153 words
A closure for a container comprising a pair of closure panels hingedly connected to opposing first side walls, each of said closure panels having first side edges alignable with the upper edge of second side walls adjacent said first side wall, and second side edges alignable with third side walls adjacent said second side walls, tuck-in flaps hingedly connected to said closure panels by score lines along said first side edges, said tuck-in flaps having a radial outer edge, the radius of said tuck-in flap being less than that width of a side wall, the edge of said tuck-in flap opposite said score line being defined by a slit between said tuck-in flap and said second side walls, said closure panels overlapping in said closed container, one of said closure panels having a notch in its outer edge alignable with a tongue in the outer edge of the other of said closure panels.
Claim 2
Dependent Claim
153 words
A closure for a container comprising a pair of closure panels hingedly connected to opposing first side walls, each of said closure panels having first side edges alignable with the upper edge of second side walls adjacent said first side wall, and second side edges alignable with third side walls adjacent said second side walls, tuck-in flaps hingedly connected to said closure panels by score lines along said first side edges, said tuck-in flaps having a radial outer edge, the radius of said tuck-in flap being less than that width of a side wall, the edge of said tuck-in flap opposite said score line being defined by a slit between said tuck-in flap and said second side walls, said closure panels overlapping in said closed container, one of said closure panels having a notch in its outer edge alignable with a tongue in the outer edge of the other of said closure panels.
Claim 3
Dependent Claim
27 words
The closure of claim 1 in which said container has an octagonal cross section further comprising inner rectangular closure flaps hingedly connected to said third side walls.
Claim 4
Dependent Claim
37 words
The closure of claims 1 or 2 in which said container has an octagonal cross section and said hinged connection of said tuck-in flaps is at an angle of 45° to the edge of said container body.
Claim 5
Dependent Claim
34 words
The closure of claim 1 in which said container has a hexagonal cross-section and the hinged connection of said tuck-in flaps is at an angle of 60° to the edge of said container body.
References Cited (Backward Citations)
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US2565188A
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US2569335A
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US2828904A
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US3014637A
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US3111878A
Cited
US3145904A
Cited
US3526352A
Cited
US3661319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-06 | 1984-10-06 | 1985-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-06 | 1988-10-06 | 1989-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-06 | 1992-10-06 | 1993-04-07 | $7700.00 | Window Closed / Lapsed |