US3136633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Au-cu-pd brazing alloy
Assignee: Huntington Alloys Corp
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Filing: 1962-07-23
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Granted: 1964-06-09
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Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Roy D Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:58
CPC Classifications
C; C22; C22C; C22C5/00; C22C5/02; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3006; B23K35/3013; B23K35/302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN ALLOY PARTICULARLY ADAPTED FOR THE BRAZING OF MATERIALS WHICH ARE SUBJECTED TO TEMPERATURES ABOVE ABOUT 850*C. WHICH ALLOY CONSISTS ESSENTIALLY, BY WEIGHT, IN ADDITION TO IMPURITIES AND INCIDENTAL ELEMENTS, OF ABOUT 28% TO ABOUT 87.5% GOLD, ABOUT 12% TO ABOUT 52% COPPER AND ABOUT 0.5% TO ABOUT 20% PALLADIUM WITH THE AMOUNT OF EACH OF GOLD, COPPER AND PALLADIUM BEING SO CORRELAATED THAT THE COMPOSITION OF THE ALLOY FALLS WITHIN THE AREA U-V-W-X-U IN FIRGURE 1 OF THE ACCOMPANYING DRAWING, SAID INCIDENTAL ELEMENTS INCLUDING UP TO ABOUT 0.5% MANGANESE, UP TO ABOUT 0.1% ALUMINUM, UP TO ABOUT 0.5% ZINC, UP TO ABOUT 0.5% CADMIUM, UP TO ABOUT 0.5% LITHIUM, UP TO ABOUT 0.05% BORON, LESS THAN ABOUT 1% RHODIUM, LESS THAN ABOUT 5% NICKEL, LESS THAN ABOUT 1% SILVER, AND LESS THAN ABOUT 1% PLATINUM, THE TOTAL AMOUNT OF ALL ELEMENTS OTHER THANGOLD, COPPER AND PALLADIUM BEING LESS THAN ABOUT 7% OF THE WEIGHT OF THE ALLOY.
Claim 2
Dependent Claim
158 words
AN ALLOY PARTICULARLY ADAPTED FOR THE BRAZING OF MATERIALS WHICH ARE SUBJECTED TO TEMPERATURES ABOVE ABOUT 850*C. WHICH ALLOY CONSISTS ESSENTIALLY, BY WEIGHT, IN ADDITION TO IMPURITIES AND INCIDENTAL ELEMENTS, OF ABOUT 28% TO ABOUT 87.5% GOLD, ABOUT 12% TO ABOUT 52% COPPER AND ABOUT 0.5% TO ABOUT 20% PALLADIUM WITH THE AMOUNT OF EACH OF GOLD, COPPER AND PALLADIUM BEING SO CORRELAATED THAT THE COMPOSITION OF THE ALLOY FALLS WITHIN THE AREA U-V-W-X-U IN FIRGURE 1 OF THE ACCOMPANYING DRAWING, SAID INCIDENTAL ELEMENTS INCLUDING UP TO ABOUT 0.5% MANGANESE, UP TO ABOUT 0.1% ALUMINUM, UP TO ABOUT 0.5% ZINC, UP TO ABOUT 0.5% CADMIUM, UP TO ABOUT 0.5% LITHIUM, UP TO ABOUT 0.05% BORON, LESS THAN ABOUT 1% RHODIUM, LESS THAN ABOUT 5% NICKEL, LESS THAN ABOUT 1% SILVER, AND LESS THAN ABOUT 1% PLATINUM, THE TOTAL AMOUNT OF ALL ELEMENTS OTHER THANGOLD, COPPER AND PALLADIUM BEING LESS THAN ABOUT 7% OF THE WEIGHT OF THE ALLOY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |