US3606136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers made from a foam plastic material
Assignee: Tetra Pak AB
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Filing: 1969-06-13
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Granted: 1971-09-20
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Expires: 1989-06-13
Abstract
Abstract A CONTAINER COMPRISES A CONTAINER BODY MADE OF FOAM PLASTIC MATERIAL AND A COVER FOR THE SAME MADE FROM METAL FOIL AND WHICH IS TURNED DOWN OVER THE TOP EDGE OF THE CONTAINER BODY AND PLEATED. A LEAK-PROOF JOINT IS ESTABLISHED BETWEEN THE COVER AND CONTAINER BODY BY CAUSING THE FOAM PLASTIC TO SWEL TO SUCH AN EXTENT THAT THE PLEATS ALONG THE FOLDED-DOWN EDGE PORTION OF TUE COVER ARE FILLED WITH FOAM PLASTIC.
Inventors
- 👤 Christian Hegardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:24
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B29; B29C; B29C65/00; B29C65/48; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/116; B29C66/50; B29C66/51; B29C66/54; B29C66/542; B29C66/70; B29C66/72; B29C66/727; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/2878; B29C66/71
Claims Analysis
Total Claims: 0
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |