US5009364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy-open package for fluent material
Assignee: BOLTE GEORGE
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Filing: 1990-01-11
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Granted: 1991-04-23
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Expires: 2010-01-11
Abstract
Abstract An easy-open package for a fluent material comprises an upwardly open base vessel having an annular rim, a foil having an outer periphery engaging the rim and formed inward of the periphery with a nonstraight tear line defining a tearout portion, an open tab engaging the portion within the tear line, and respective bonds securing the foil at its periphery to the rim and securing the tab to the portion within the tear line.
Inventors
- 👤 Georg Bolte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:46
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B65D77/2028; B65D77/2032; B65D77/2044; B65D77/2048; B65D77/2056; B65D77/206; B65D2577/00; B65D2577/10; B65D2577/20; B65D2577/2041; B65D2577/2058; B65D2577/2075; B65D2577/2091
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
125 words
An easy-open package for a fluent material, the package comprising: an upwardly open base vessel having an annular rim; a foil having an outer periphery engaging the rim and formed inward of the periphery with an annular tear line defining a tearout portion; an open tab engaging the portion within the tear line and having one leg lying on the foil and another leg joined at a fold to the one leg and projecting from the foil; an annular bond securing the foil at the periphery of the foil to the rim; a bond securing the one leg of the tab to the foil adjacent the tearout portion; and a bond securing the one leg of the tab to the portion within the tear line.
Claim 2
Dependent Claim
125 words
An easy-open package for a fluent material, the package comprising: an upwardly open base vessel having an annular rim; a foil having an outer periphery engaging the rim and formed inward of the periphery with an annular tear line defining a tearout portion; an open tab engaging the portion within the tear line and having one leg lying on the foil and another leg joined at a fold to the one leg and projecting from the foil; an annular bond securing the foil at the periphery of the foil to the rim; a bond securing the one leg of the tab to the foil adjacent the tearout portion; and a bond securing the one leg of the tab to the portion within the tear line.
Claim 3
Dependent Claim
32 words
The easy-open package defined in claim 1 wherein the rim and periphery are generally polygonal and have straight sides, the tear line being V-shaped and adjacent at least one of the sides.
Claim 4
Dependent Claim
25 words
The easy-open package defined in claim 1 wherein the tear line is generally triangular and has a point, the fold lying generally at the point.
Claim 5
Dependent Claim
108 words
An easy-open package for a fluent material, the package comprising: an upwardly open base vessel having an annular generally polygonal rim with straight sides and formed with a spout forming a V-shaped extension of the rim; a foil having an outer periphery complimentarily engaging the rim and formed inward of the periphery with a V-shaped tear line defining a tearout portion and lying immediately adjacent and generally parallel to the V-shaped extension; an open tab engaging the portion within the tear line; and respective bonds securing the foil at the periphery of the foil to the rim and securing the tab to the portion within the tear line.
Claim 6
Dependent Claim
108 words
An easy-open package for a fluent material, the package comprising: an upwardly open base vessel having an annular generally polygonal rim with straight sides and formed with a spout forming a V-shaped extension of the rim; a foil having an outer periphery complimentarily engaging the rim and formed inward of the periphery with a V-shaped tear line defining a tearout portion and lying immediately adjacent and generally parallel to the V-shaped extension; an open tab engaging the portion within the tear line; and respective bonds securing the foil at the periphery of the foil to the rim and securing the tab to the portion within the tear line.
Claim 7
Dependent Claim
98 words
An easy-open package for a fluent material, the package comprising: an upwardly open base vessel having an annular rim; a foil having an outer periphery engaging the rim and formed inward of the periphery with a V-shaped tear line defining a tearout portion; an open tab engaging the portion within the tear line; a bonds securing the foil at the periphery of the foil to the rim; and a bond securing the tab to the portion within the tear line and extending to a line closing the V-shaped tear line and forming a bend line for the foil.
Claim 8
Dependent Claim
98 words
An easy-open package for a fluent material, the package comprising: an upwardly open base vessel having an annular rim; a foil having an outer periphery engaging the rim and formed inward of the periphery with a V-shaped tear line defining a tearout portion; an open tab engaging the portion within the tear line; a bonds securing the foil at the periphery of the foil to the rim; and a bond securing the tab to the portion within the tear line and extending to a line closing the V-shaped tear line and forming a bend line for the foil.
References Cited (Backward Citations)
US1459110A
Cited
US2745754A
Cited
US3321123A
Cited
US3314569A
Cited
US3964670A
Cited
US3977562A
Cited
US4231487A
Cited
US4533063A
Cited
US4762246A
Cited
US4798295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-04-22 | 1994-10-22 | 1995-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-22 | 1998-10-22 | 1999-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-22 | 2002-10-22 | 2003-04-23 | $7700.00 | Window Closed / Lapsed |