Patent USRE27610E successfully refreshed from Google Patents.
USRE27610E
Expired / Lapsed
US
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Packaging material including at least three lamination layers of materials having different viscosities, and a package produced therefrom
Assignee: —
•
Filing: 1971-10-06
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Granted: 1973-04-03
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Expires: 1991-10-06
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
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:55
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/10; B32B2323/00; B32B2323/04; B32B2323/10; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902; Y10T428/31909; Y10T428/31913
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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |