Patent US4245772A successfully refreshed from Google Patents.
US4245772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton having reclosable or removable top and blank for forming same
Assignee: Champion International Corp
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Filing: 1979-07-13
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Granted: 1981-01-20
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Expires: 1999-07-13
Abstract
Abstract A carton formed from a planar, unitary blank of paperboard which has bottom, front, back and side panels. A top panel with laps on its sides is hinged to the back panel. A glue lap or adhesive tape seals the top panel closed, while permitting it to be easily opened. This carton securely and safely stores its contents and is capable of being easily opened, reclosed and formed into a dispensing tray by removal of the top panel.
Inventors
- 👤 Ronald V. Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:34
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/5405; B65D5/542; B65D5/5435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
A planar, unitary blank formed of paperboard and adapted to be folded into a carton comprising: a bottom panel having first and second side panels hingedly attached at opposite side edges of said bottom panel along fold lines; front and back panels attached to said bottom panel on opposite front and back edges thereof, respectively, along fold lines; flap means for securing said side panels to said front and back panels; a top panel hingedly attached to said back panel at an edge thereof remote from said bottom panel along a scored fold line to facilitate separation thereof, said top panel having first and second top flaps hingedly attached to opposite side edges thereof along fold lines, with the edges of said top flaps remote from said back panel being chamfered, and said top panel having a notch formed in an edge thereof remote from said back panel; and a glue lap hingedly attached to said front panel along a fold line, the side edges of said glue lap being tapered from the attachment of said glue lap to said front panel to the free edge of said glue lap, said glue lap having a reverse fold line therein extending parallel to the fold line between said glue lap and said front panel.
Claim 2
Dependent Claim
213 words
A planar, unitary blank formed of paperboard and adapted to be folded into a carton comprising: a bottom panel having first and second side panels hingedly attached at opposite side edges of said bottom panel along fold lines; front and back panels attached to said bottom panel on opposite front and back edges thereof, respectively, along fold lines; flap means for securing said side panels to said front and back panels; a top panel hingedly attached to said back panel at an edge thereof remote from said bottom panel along a scored fold line to facilitate separation thereof, said top panel having first and second top flaps hingedly attached to opposite side edges thereof along fold lines, with the edges of said top flaps remote from said back panel being chamfered, and said top panel having a notch formed in an edge thereof remote from said back panel; and a glue lap hingedly attached to said front panel along a fold line, the side edges of said glue lap being tapered from the attachment of said glue lap to said front panel to the free edge of said glue lap, said glue lap having a reverse fold line therein extending parallel to the fold line between said glue lap and said front panel.
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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) | 1984-01-20 | 1984-07-21 | 1985-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-20 | 1988-07-21 | 1989-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-20 | 1992-07-21 | 1993-01-20 | $7700.00 | Window Closed / Lapsed |