US3010860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite packaging material and process of manufacture thereof
Assignee: Kimberly Clark Tissue Co
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Filing: 1958-04-04
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Granted: 1961-11-28
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Expires: 1978-04-04
Abstract
No abstract record available.
Inventors
- 👤 James J Eberl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:33
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/80; D21H19/82; D21H19/824; B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A LAMINAR PROTECTIVE PACKAGING MATERIAL COMPRISING A PAPER BASE AND AT LEAST TWO FILMS JOINED TOGETHER AND TO ONE SIDE OF SAID BASE, ONE OF WHICH FILMS IS FORMED SUBSTANTIALLY ENTIRELY OF POLYETHYLENE AND THE OTHER OF WHICH IS FORMED SUBSTANTIALLY ENTIRELY OF HYDROCARBON WAX, THE WAX FILM INTERVENING THE BASE AND THE POLYETHYLENE FILM, SAID FILMS BEING ADHERING SUBSTANTIALLY COMPLETELY ONLY AT THEIR INTERFACE BY AN IMMEDIATE LAYER BLENDING OF THE POLYETHYLENE AND THE WAX.
Claim 2
Dependent Claim
76 words
A LAMINAR PROTECTIVE PACKAGING MATERIAL COMPRISING A PAPER BASE AND AT LEAST TWO FILMS JOINED TOGETHER AND TO ONE SIDE OF SAID BASE, ONE OF WHICH FILMS IS FORMED SUBSTANTIALLY ENTIRELY OF POLYETHYLENE AND THE OTHER OF WHICH IS FORMED SUBSTANTIALLY ENTIRELY OF HYDROCARBON WAX, THE WAX FILM INTERVENING THE BASE AND THE POLYETHYLENE FILM, SAID FILMS BEING ADHERING SUBSTANTIALLY COMPLETELY ONLY AT THEIR INTERFACE BY AN IMMEDIATE LAYER BLENDING OF THE POLYETHYLENE AND THE WAX.
References Cited (Backward Citations)
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Cited
US2369450A
Cited
US2572959A
Cited
US2453644A
Cited
US2582037A
Cited
US2607712A
Cited
US2754278A
Cited
US2828237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |