Patent US3559799A successfully refreshed from Google Patents.
US3559799A
Expired / Lapsed
US
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Assignee: Fort James Corp
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Filing: 1969-06-12
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Granted: 1971-02-02
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Expires: 1989-06-12
Abstract
Abstract An improved package is provided comprising a semirigid container, a film closure for the container adapted to be vacuum sealed to the container opening, and a relatively stiff paperboard backing member adhesively secured to the film. The backing member includes a tear strip, the removal of which also served to permit removal of the film from the container and thereby provide access to the container''s contents. Once the strip is removed the container may be reclosed by the relatively stiff backing member.
Inventors
- 👤 Elmer L Kramer
- 👤 Donald K Smith
- 👤 Stephen Edelen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:08
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/36; B65D75/366; B65D2575/00; B65D2575/28; B65D2575/30; B65D2575/36; B65D2575/361; B65D2575/362; B65D2575/365; B65D2575/367; B65D2575/368
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
96 words
An improved package comprising: a tray having a base and opposed upwardly extending sidewalls defining an enclosure about said base, margins extending from the free peripheral edges of said walls transverse to the walls and parallel to the base, a film cover sealingly affixed to the tray margins along a continuous seal strip whereby to enable the vacuum packing of commodities within said tray and film cover, and a paperboard backing adhesively affixed to said film cover, said backing having a tear strip defined by first and second-cut score lines overlying one of said wall margins.
Claim 2
Dependent Claim
96 words
An improved package comprising: a tray having a base and opposed upwardly extending sidewalls defining an enclosure about said base, margins extending from the free peripheral edges of said walls transverse to the walls and parallel to the base, a film cover sealingly affixed to the tray margins along a continuous seal strip whereby to enable the vacuum packing of commodities within said tray and film cover, and a paperboard backing adhesively affixed to said film cover, said backing having a tear strip defined by first and second-cut score lines overlying one of said wall margins.
Claim 3
Dependent Claim
31 words
The invention in accordance with claim 1 in which the portion of said seal strip along the aforesaid one of said wall margins lies between said first and second-cut score lines.
Claim 4
Dependent Claim
43 words
The invention in accordance with claim 1 in which a portion of said backing folds along said first-cut score line over the edge of the aforesaid one of said wall margins, providing a printable display aRea on the underside of said wall margins.
Claim 5
Dependent Claim
28 words
The invention in accordance with claim 1 wherein said package further includes means for reclosing said package after said tear strip has been removed and the package opened.
Claim 6
Dependent Claim
32 words
The invention in accordance with claim 4 wherein said reclosing means includes a tab defined by said second-cut score line and a slot disposed in said wall margin directly underlying said tab.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |