Patent US3198609A successfully refreshed from Google Patents.
US3198609A
Expired / Lapsed
US
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Brazed structure and method of brazing
Assignee: Coast Metals Inc
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Filing: 1964-01-22
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Granted: 1965-08-03
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Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Cape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:33
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12778; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12979
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
98 words
IN THE BRAZING OF PARTS OF STAINLESS STEEL AND SUPER ALLOYS, THE STEP OF BRAZING THE PARTS BY INTERPOSING BETWEEN THE PARTS TO BE BRAZED A BRAZING ALLOY CONSISTING OF FROM ABOUT 35% TO ABOUT 70% COPPER, ABOUT 3% TO ABOUT 20% NICKEL, AND THE REMAINDER ESSENTIALLY ALL MANGANESE, THE RATIO OF MANGANESE TO NICKEL BEING NOT LESS THAN 2.25:1, AND HEATING THE PARTS AND BRAZING ALLOY TO A BRAZING TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 1650*F. TO ABOUT 1850*F., WHEREBY THE PARTS ARE BRAZED TO EACH OTHER, AND THE NICKEL IS EFFECTIVE TO PREVENT CREVICE CORROSION.
Claim 2
Dependent Claim
98 words
IN THE BRAZING OF PARTS OF STAINLESS STEEL AND SUPER ALLOYS, THE STEP OF BRAZING THE PARTS BY INTERPOSING BETWEEN THE PARTS TO BE BRAZED A BRAZING ALLOY CONSISTING OF FROM ABOUT 35% TO ABOUT 70% COPPER, ABOUT 3% TO ABOUT 20% NICKEL, AND THE REMAINDER ESSENTIALLY ALL MANGANESE, THE RATIO OF MANGANESE TO NICKEL BEING NOT LESS THAN 2.25:1, AND HEATING THE PARTS AND BRAZING ALLOY TO A BRAZING TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 1650*F. TO ABOUT 1850*F., WHEREBY THE PARTS ARE BRAZED TO EACH OTHER, AND THE NICKEL IS EFFECTIVE TO PREVENT CREVICE CORROSION.
Claim 3
Dependent Claim
79 words
A BRAZED STRUCTURE COMPRISING METAL PARTS SELECTED FROM THE GROUP CONSISTING OF STAINLESS STEELS AND SUPER ALLOYS, AND IN WHICH IT IS DESIRED TO PREVENT CREVICE CORROSION RESULTING FROM THE BRAZING OF SUCH PARTS, AND A BRAZING ALLOY FUSED TO AND JOINING SAID PARTS, SAID BRAZING ALLOY CONSISTING OF FROM ABOUT 35% TO ABOUT 70% COPPER, ABOUT 3% TO ABOUT 20% NICKEL, AND THE REMAINDER ESSENTIALLY ALL MANGANESE, THE RATIO OF MANGANESE TO NICKEL BEING NOT LESS THAN 2.25:1.
Claim 4
Dependent Claim
79 words
A BRAZED STRUCTURE COMPRISING METAL PARTS SELECTED FROM THE GROUP CONSISTING OF STAINLESS STEELS AND SUPER ALLOYS, AND IN WHICH IT IS DESIRED TO PREVENT CREVICE CORROSION RESULTING FROM THE BRAZING OF SUCH PARTS, AND A BRAZING ALLOY FUSED TO AND JOINING SAID PARTS, SAID BRAZING ALLOY CONSISTING OF FROM ABOUT 35% TO ABOUT 70% COPPER, ABOUT 3% TO ABOUT 20% NICKEL, AND THE REMAINDER ESSENTIALLY ALL MANGANESE, THE RATIO OF MANGANESE TO NICKEL BEING NOT LESS THAN 2.25:1.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |