US4471882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: Shikoku Kakoki Co Ltd
•
Filing: 1982-11-19
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Granted: 1984-09-18
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Expires: 2002-11-19
Abstract
Abstract A container comprising a foldable tubular main body, a bottom portion made of plastic and fixedly attachable to one end of the main body and a mouth portion made of plastic and fixedly attachable to the other end of the main body. The main body consists essentially of an inner plastic layer, an intermediate metal foil and an outer layer.
Inventors
- 👤 Katsuhiro Joo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:15
CPC Classifications
B; B65; B65D; B65D11/00; B65D11/02; B65D11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A container comprising a foldable tubular main body having a quadrilateral cross-section and being formed from a rectangular sheet by bending the sheet and joining the opposite ends of the sheet to each other, a bottom portion made of plastic fittable in and fixedly attachable to one end of said main body, and a mouth portion made of plastic fittable in and fixedly attachable to the other end of the main body; the main body at least having an inner plastic liner, an intermedate metal foil, and an outer layer, the main body being formed at least one side edge thereof with a folded lap of small width, and each of the bottom portion and the mouth portion being integrally formed at least one side edge thereof with a thin projection holdable in and joinable to the folded lap of the main body.
Claim 2
Dependent Claim
143 words
A container comprising a foldable tubular main body having a quadrilateral cross-section and being formed from a rectangular sheet by bending the sheet and joining the opposite ends of the sheet to each other, a bottom portion made of plastic fittable in and fixedly attachable to one end of said main body, and a mouth portion made of plastic fittable in and fixedly attachable to the other end of the main body; the main body at least having an inner plastic liner, an intermedate metal foil, and an outer layer, the main body being formed at least one side edge thereof with a folded lap of small width, and each of the bottom portion and the mouth portion being integrally formed at least one side edge thereof with a thin projection holdable in and joinable to the folded lap of the main body.
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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) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |