Patent US4238047A successfully refreshed from Google Patents.
US4238047A
Expired / Lapsed
US
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Composite closure member
Assignee: DOUBLE H PLASTICS Inc SOUTHAPTON PA A PA CORP
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Filing: 1979-10-04
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Granted: 1980-12-09
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Expires: 1999-10-04
Abstract
Abstract A reusable, composite, container closure having a central panel formed of sheet material and a rim formed of molded thermoplastic material.
Inventors
- 👤 Charles R. Helms
- 👤 Donald A. Addison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:29
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/0212; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00231; B65D2543/0024; B65D2543/00259; B65D2543/00268; B65D2543/00296; B65D2543/00314; B65D2543/00342; B65D2543/00398; B65D2543/00407; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00527; B65D2543/00537; B65D2543/00592; B65D2543/00712; B65D2543/00722; B65D2543/0074; B65D2543/00787; B65D2543/00796; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
In a reusable, composite container closure member, the combination of: (a) a continuous rim formed from an injection molded, thermoplastic material and comprising: (i) a laterally disposed shelf; (ii) a skirt depending from said shelf for engagement with a wall of a container body; (iii) a recess; (b) a central panel, formed from a blank of generally flexible sheet material such as paperboard, and having a fluted marginal portion presenting a plurality of circumferential spaced, radially extending, alternately disposed ridges and grooves; (c) said panel marginal portion being disposed within the recess of said rim and bonded thereto by the material of said rim with part of said material received in the grooves of said marginal portion.
Claim 2
Dependent Claim
117 words
In a reusable, composite container closure member, the combination of: (a) a continuous rim formed from an injection molded, thermoplastic material and comprising: (i) a laterally disposed shelf; (ii) a skirt depending from said shelf for engagement with a wall of a container body; (iii) a recess; (b) a central panel, formed from a blank of generally flexible sheet material such as paperboard, and having a fluted marginal portion presenting a plurality of circumferential spaced, radially extending, alternately disposed ridges and grooves; (c) said panel marginal portion being disposed within the recess of said rim and bonded thereto by the material of said rim with part of said material received in the grooves of said marginal portion.
References Cited (Backward Citations)
US3956550A
Cited
US4192434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-12-09 | 1984-06-09 | 1984-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-09 | 1988-06-09 | 1988-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-09 | 1992-06-09 | 1992-12-09 | $7700.00 | Window Closed / Lapsed |