Patent DE2820122A1 successfully refreshed from Google Patents.
US3640447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton with separate interior pocket
Assignee: Westvaco Corp
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Filing: 1969-10-03
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Granted: 1972-02-08
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Expires: 1989-10-03
Abstract
Abstract A carton structure formed from a single blank of paperboard and including a film element adhered to the inside surfaces of one or more panels of said carton to form an interiorly positioned pocket between the film element and the carton panel for retaining a secondary item or the like isolated from the primary product in said carton but which is accessible through an access panel formed in one of the panels of said carton without disturbing the primary contents of the carton.
Inventors
- 👤 Hampton E Forbes Jr
- 👤 Lawrence J La Freniere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:41
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/70; B65D5/701; B65D5/703; B65D5/56; B65D5/60; B65D5/603
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
252 words
A carton formed from a single blank of paperboard or the like and having an interiorly positioned pocket comprising: a. a tubular-shaped body element formed from a blank including a plurality of discReet sidewall panels connected together along parallel fold lines and having a connecting flap at one edge thereof that is secured to a sidewall panel at the opposite edge thereof to form the exterior carton structure, with end closure panels hingedly attached to each end of the sidewall panels; b. a film element adhered to the inside surface of said carton body element and overlapping at least three of the sidewall panels and the adjacent end closure panels of said carton body element; c. an interior pocket between the film element and the inside surface of one of said sidewall panels formed by selectively adhering the pocket forming film element to said sidewall panels around at least three sides of said pocket for housing a secondary item separately from the primary contents of the carton that is isolated from the primary product packaged in said carton; and d. an access panel formed in the upper portion of said one of said sidewall panels and located opposite the interior pocket thereof formed by said film element and said one sidewall panel to permit entry into said interior pocket, with further means formed by said access panel and reclosable portions of the end closure panels attached to said sidewall panels to permit simultaneous access to the primary product packaged in said carton.
Claim 2
Dependent Claim
252 words
A carton formed from a single blank of paperboard or the like and having an interiorly positioned pocket comprising: a. a tubular-shaped body element formed from a blank including a plurality of discReet sidewall panels connected together along parallel fold lines and having a connecting flap at one edge thereof that is secured to a sidewall panel at the opposite edge thereof to form the exterior carton structure, with end closure panels hingedly attached to each end of the sidewall panels; b. a film element adhered to the inside surface of said carton body element and overlapping at least three of the sidewall panels and the adjacent end closure panels of said carton body element; c. an interior pocket between the film element and the inside surface of one of said sidewall panels formed by selectively adhering the pocket forming film element to said sidewall panels around at least three sides of said pocket for housing a secondary item separately from the primary contents of the carton that is isolated from the primary product packaged in said carton; and d. an access panel formed in the upper portion of said one of said sidewall panels and located opposite the interior pocket thereof formed by said film element and said one sidewall panel to permit entry into said interior pocket, with further means formed by said access panel and reclosable portions of the end closure panels attached to said sidewall panels to permit simultaneous access to the primary product packaged in said carton.
Claim 3
Dependent Claim
37 words
The carton of claim 1 wherein the film element adhered to the inside surface of said carton body element overlaps each of the sidewall panels and end closure panels to thereby form a completely sift proof carton.
References Cited (Backward Citations)
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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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |