Patent US4125035A successfully refreshed from Google Patents.
Patent US3553074A successfully refreshed from Google Patents.
US3553074A
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Coil of sheet material wax-tissue laminate in which a lubricant in the wax migrates through the tissue to be sheet material
Assignee: Alcoa Corp
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Filing: 1968-03-13
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Granted: 1971-01-05
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Expires: 1988-03-13
Abstract
Abstract TEXTURING THE SURFACE OF THE SHEET MATERIAL-WAX-TISSUE LAMINATE BY ADDING A LUBRICANT TO THE WAX WHICH IS COATED ON THE SHEET MATERIAL PRIOR TO LAMINAING WITH THE TISSUE, THE LUBRICAWNT, WHICH IS PREFERABLY LIQUID AT ROOM TEMPERATURE, MIGRATES THROUGH THE TISSUE LAYER TO THE SURFACE OF THE LAYER OF SHEET MATERIAL WHICH BECOMES ADJACENT THERETO WHEN THE LAMINATE IS COILED.
Inventors
- 👤 James E Knepp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:48
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/31504; Y10T428/31678; Y10T428/31703; Y10T428/31714; Y10T428/31801; Y10T428/31804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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 |