Patent US3737092A successfully refreshed from Google Patents.
US3737092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging container having a container body of thermoplastic material and a metal foil lining inserted into the container body
Assignee: Sobrefina SA
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Filing: 1971-03-17
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Granted: 1973-06-05
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Expires: 1991-03-17
Abstract
Abstract A substantially impermeable packaging container having a container body of a thermoplastic material with an outwardly extending flange about the top opening thereof, said container body having a metal foil lining extending upwardly to the edge of the top opening and a lid member of thermoplastic material with an inner metal foil lining, said lining stopping short of the marginal edge of the lid member, said flange and the marginal edge of the lid being sealed together to close the packaging container.
Inventors
- 👤 A Rausing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:03
CPC Classifications
B; B65; B65D; B65D11/00; B65D11/02; B65D25/00; B65D25/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
132 words
A substantially impermeable packaging container comprising a container body composed of a thermoplastic material and provided with an upper flange extending outwardly about the top opening of said container, a metal foil lining disposed within said container body and affixed thereto, said metal foil lining being seamless and continuous and shaped to conform with the inside of said container body by overlapping folds extending axially from the base to the edge of the top opening of said container body, a lid member of thermoplastic material and a metal foil lining on the inner side of said lid member, said lining stopping sHort of the marginal edge of said lid member, the marginal edge of said lid member and the flange of said container body being sealed together to form a closed container.
Claim 2
Dependent Claim
132 words
A substantially impermeable packaging container comprising a container body composed of a thermoplastic material and provided with an upper flange extending outwardly about the top opening of said container, a metal foil lining disposed within said container body and affixed thereto, said metal foil lining being seamless and continuous and shaped to conform with the inside of said container body by overlapping folds extending axially from the base to the edge of the top opening of said container body, a lid member of thermoplastic material and a metal foil lining on the inner side of said lid member, said lining stopping sHort of the marginal edge of said lid member, the marginal edge of said lid member and the flange of said container body being sealed together to form a closed container.
Claim 3
Dependent Claim
63 words
A packaging container as claimed in claim 1 wherein said lid member has the shape of a hollow, truncated cone, provided with and an outwardly extending flange about the bottom thereof said bottom flange being sealed to the upper flange of said container body and said metal foil lining extending substantially over and affixed to the inner conical surface of said lid member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |