US3553073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging material including at least three lamination layers of materials having different viscosities,and a package produced therefrom
Assignee: Tetra Pak AB
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Filing: 1966-02-10
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Granted: 1971-01-05
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Expires: 1986-02-10
Abstract
Abstract A LAMINATED PACKAGING MATERIAL IS DISCLOSED COMPRISING AN OUTER LAYER OF PAPER, AN INNER HEAT SEALABLE LAYER OF POLYETHYLENE, AND AN INTERMEDIATE LAYER OF POLYPROPYLENE.
Inventors
- 👤 Hans Anders Rausing
- 👤 Thorsten Lennartsson Lindh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:47
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902; Y10T428/31909; Y10T428/31913
Claims Analysis
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |