US4459264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactive metal-palladium-silver brazing alloys
Assignee: Osram Sylvania Inc
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Filing: 1983-03-14
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Granted: 1984-07-10
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Expires: 2003-03-14
Abstract
Abstract Reactive metal-palladium-silver are suitable for brazing ceramics, other non-metallic and metallic materials.
Inventors
- 👤 Howard Mizuhara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:21
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3006; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
43 words
A brazing alloy consisting essentially of from about 0.05% to about 5% by weight of a reactive metal selected from the group consisting of titanium, vanadium, and mixtures thereof, from about 5% by weight to about 25% by weight of palladium, balance silver.
Claim 2
Dependent Claim
43 words
A brazing alloy consisting essentially of from about 0.05% to about 5% by weight of a reactive metal selected from the group consisting of titanium, vanadium, and mixtures thereof, from about 5% by weight to about 25% by weight of palladium, balance silver.
Claim 3
Dependent Claim
12 words
An alloy according to claim 1 wherein said reactive metal is titanium.
Claim 4
Dependent Claim
21 words
An alloy according to claim 2 wherein palladium is present in amounts of from about 10% to about 20% by weight.
Claim 5
Dependent Claim
51 words
An article consisting essentially of a ductile brazing foil having a composition consisting essentially of from about 0.5% to about 5% by weight of a reactive metal selected from the group consisting of titanium, vanadium, zirconium and mixtures thereof, from about 5% to about 25% by weight of palladium, balance silver.
Claim 6
Dependent Claim
51 words
An article consisting essentially of a ductile brazing foil having a composition consisting essentially of from about 0.5% to about 5% by weight of a reactive metal selected from the group consisting of titanium, vanadium, zirconium and mixtures thereof, from about 5% to about 25% by weight of palladium, balance silver.
References Cited (Backward Citations)
SU477804A1
Cited
JPS57115997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-10 | 1988-01-09 | 1988-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-10 | 1992-01-09 | 1992-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-10 | 1996-01-09 | 1996-07-10 | $7700.00 | Window Closed / Lapsed |