US3343663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package and laminate thereof
Assignee: Dow Chemical Co
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Filing: 1965-10-24
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Granted: 1967-09-26
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Don W Seidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:53
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/32; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COMPOSITE PACKAGING FILM COMPRISING A FIRST LAYER OF A FLEXIBLE MATERIAL ADAPTED TO RECEIVE PRINTING, A FIRST LAYER OF POLYETHYLENE ADHERED TO THE FLEXIBLE, PRINTABLE LAYER, A LAYER OF BIAXIALLY ORIENTED POLYPROPLYENE ADHERED TO THE FIRST POLYETHYLENE LAYER, A SECOND LAYER OF POLYETHYLENE ADHERED TO THE POLYPROPYLEN LAYER, A LAYER OF METALLIC FOIL ADHERED TO THE SECOND POLYETHYLENE LAYER, AND A THIRD LAYER OF POLYETHYLENE ADHERED TO THE METALLIC FOIL, THE LAYERS OF THE LAMINATE BEIN ADHERED TOGETHER WITH A STRENGTH EQUIVALENT TO THAT OBTAINED BY EXTRUSION LAMINATION.
Claim 2
Dependent Claim
89 words
A COMPOSITE PACKAGING FILM COMPRISING A FIRST LAYER OF A FLEXIBLE MATERIAL ADAPTED TO RECEIVE PRINTING, A FIRST LAYER OF POLYETHYLENE ADHERED TO THE FLEXIBLE, PRINTABLE LAYER, A LAYER OF BIAXIALLY ORIENTED POLYPROPLYENE ADHERED TO THE FIRST POLYETHYLENE LAYER, A SECOND LAYER OF POLYETHYLENE ADHERED TO THE POLYPROPYLEN LAYER, A LAYER OF METALLIC FOIL ADHERED TO THE SECOND POLYETHYLENE LAYER, AND A THIRD LAYER OF POLYETHYLENE ADHERED TO THE METALLIC FOIL, THE LAYERS OF THE LAMINATE BEIN ADHERED TOGETHER WITH A STRENGTH EQUIVALENT TO THAT OBTAINED BY EXTRUSION LAMINATION.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |