US3589975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite sheet of plastic and metallic material and method of making the same
Assignee: Reynolds Metals Co
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Filing: 1967-03-23
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Granted: 1971-06-29
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Expires: 1987-03-23
Abstract
Abstract THIS DISCLOSURE RELATES TO AN IMPROVED COMPOSITE SHEET MEANS COMPRISED OF WEBS OF PLASTIC AND METALLIC MATERIAL LAMINATED TOGETHER TO PROVIDE AN ECONOMICAL COMPOSITE SHEET MEANS HAVING A THICKNESS WHICH IS SUBSTANTIALLY SMALLER THAN THE COMBINED THICKNESS OF THE INDIVIDUAL WEBS PRIOR TO LAMINATION THEROF, SUCH COMPOSITE SHEET MEANS HAVING EXCEPTIONALLY HIGH STRENGTH. FURTHER, THIS DISCLOSURE ALSO RELATES TO A METHOD OF MAKING SUCH COMPOSITE SHEET MEANS WITHOUT REQUIRING SEPARATE ADHESIVE MEANS TO HOLD TOGETHER THE WEBS COMPRISING SUCH COMPOSITE SHEET MEANS.
Inventors
- 👤 William Page Andrews
- 👤 Yale M Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:34
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31692; Y10T428/31699
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |