US3561099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making a composite brazing alloy of titanium, copper and nickel
Assignee: Western Gold and Platinum Co
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Filing: 1968-03-27
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Granted: 1971-02-09
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Expires: 1988-03-27
Abstract
Abstract A PROCESS FOR PRODUCING A MALLEABLE COMPOSITE PRODUCT FROM AT LEAST TWO MALLEABLE METALS IN PROPORTIONS THAT FORM BRITTLE ALLOYS, BY ARRANGING THE METALS IN A PAIR OF OVERLAPPING OUTER LAYERS AND AT LEAST ONE INNER LAYER. THE OUTER LAYERS ARE HERMETICALLY SEALED TO EACH OTHER AROUND THE INNER LAYERS (S) TO PROVIDE AN AIRTIGHT ENCLOSURE THEREABOUT DURING SUBSEQUENT METAL WORKING OPERATIONS. DURING SUCH METAL WORKING TO REDUCE THE THICKNESS OF THE COMPOSITE PRODUCT, PLASTIC DEFORMATION OF THE INNER LAYER (S) WILL BE CONFINED TO THE ENCLOSURE FORMED BY THE OUTER LAYERS. THUS THE CROSS-SECTIONAL WEIGHT RATIO OF METALS WILL BE MAINTAINED CONSTANT ACROSS THE ENTIRE PRODUCT.
Inventors
- 👤 Howard Mizuhara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0222; B23K35/0233; B23K35/0238; B23K35/22; B23K35/24; B23K35/32; B23K35/325; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12861; Y10T428/12903
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |