US3290129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrous sheet faced with aluminum
Assignee: Alcoa Corp
•
Filing: 1965-11-10
•
Granted: 1966-12-06
•
Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph A Nock
- 👤 John E Vruggink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:00
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/012; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12764
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A UNITARY LAMINATE CONSISTING OF LAYER OF FERROUS SHEET, A LAYER OF WROUGHT ALUMINUM BASE ALLOY CONTAINING AT LEAST 85% OF ALUMINUM AND BETWEEN 0.4 AND 10% MAGMAGNESIUM AS AN ESSENTIAL ADDED ELEMENT, AND A WROUGHT LAYER OFF ALUMINUM, CONTAININGG NOT MORE THAN 0.1% MAGNESIUM AND LESS THAN 0.5% SILICON, INTERMEDIATE THE SAID FERROUS SHEET LAYER AND THE SAID ALUMINUM BASE ALLOY LAYER, THE SAID INTERMEDIATE LAYER BEING INTEGRALLY BONDED TO THE SAID FERROUS SHEET LAYER AND TO THE SAID ALUMINUM BASE ALLOY LAYER.
Claim 2
Dependent Claim
84 words
A UNITARY LAMINATE CONSISTING OF LAYER OF FERROUS SHEET, A LAYER OF WROUGHT ALUMINUM BASE ALLOY CONTAINING AT LEAST 85% OF ALUMINUM AND BETWEEN 0.4 AND 10% MAGMAGNESIUM AS AN ESSENTIAL ADDED ELEMENT, AND A WROUGHT LAYER OFF ALUMINUM, CONTAININGG NOT MORE THAN 0.1% MAGNESIUM AND LESS THAN 0.5% SILICON, INTERMEDIATE THE SAID FERROUS SHEET LAYER AND THE SAID ALUMINUM BASE ALLOY LAYER, THE SAID INTERMEDIATE LAYER BEING INTEGRALLY BONDED TO THE SAID FERROUS SHEET LAYER AND TO THE SAID ALUMINUM BASE ALLOY LAYER.
References Cited (Backward Citations)
US1865089A
Cited
US2396730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |