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US4214029A Expired / Lapsed US ⏱️ 0.0 years remaining

Packaging laminate

Assignee: Primerica Inc
•
Filing: 1978-10-30
•
Granted: 1980-07-22
•
Expires: 1998-10-30
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Abstract

Abstract A unitary packaging laminate comprising a foil substrate, a polypropylene outer layer, an intermediate layer of polyethylene or ethylene-acrylic acid copolymer located between and adhered to said substrate and said outer layer, a printed adhesive pattern of low temperature heat sealable material on the exterior surface of said outer layer, and a coating of low temperature heat sealable material on the inner surface of said substrate.

Inventors

  • 👤 Donald E. Barnes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 16:19
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B27/00; B32B27/06; B32B27/08; B32B15/20; B32B37/00; B32B37/12; B32B37/1284; B32B37/1292; B32B7/00; B32B7/04; B32B7/12; B32B2553/00; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24843; Y10T428/24917; Y10T428/24942; Y10T428/2495; Y10T428/28; Y10T428/2804; Y10T428/2813; Y10T428/2817

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 68 words
A unitary packaging laminate consisting essentially of a foil substrate, a polypropylene outer layer, an intermediate layer of polyethylene or ethylene-acrylic acid copolymer located between and adhered to said substrate and said outer layer, a printed adhesive pattern of low temperature heat sealable material on the exterior surface of said outer layer, and a coating of low temperature heat sealable material on the inner surface of said substrate.
Claim 2
Dependent Claim 68 words
A unitary packaging laminate consisting essentially of a foil substrate, a polypropylene outer layer, an intermediate layer of polyethylene or ethylene-acrylic acid copolymer located between and adhered to said substrate and said outer layer, a printed adhesive pattern of low temperature heat sealable material on the exterior surface of said outer layer, and a coating of low temperature heat sealable material on the inner surface of said substrate.
Claim 3
Dependent Claim 28 words
The packaging laminate of claim 1 wherein said foil is aluminum foil having a thickness of 0.00035 inch and the polypropylene is 75 to 100 gauge in thickness.

References Cited (Backward Citations)

US2101182A Cited
US2185470A Cited
US3503831A Cited
US3582452A Cited
US4045607A Cited
US3770122A Cited
US3785911A Cited
US4009312A Cited
US4058632A Cited
US4101698A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-07-22 1984-01-21 1984-07-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-07-22 1988-01-21 1988-07-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-07-22 1992-01-21 1992-07-22 $7700.00 Window Closed / Lapsed

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