US3303024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel-base brazing alloys
Assignee: Coast Metals Inc
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Filing: 1963-12-23
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Granted: 1967-02-07
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Cape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:29
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A BRAZING ALLOY HAVING EXCELLENT FLOW CHARACTERISTICS AT BRAZING TEMPERATURES WITHIN THE RANGE OF FROM ABOUT 1900*F. TO ABOUT 2050*F. CONSISTING OF FROM 0.75 TO 3.00 BORON, 2 TO 3.5% CHROMIUM, FROM 3 TO 3.75% SILICON, UP TO 8% COPPER, FROM 6 TO 11% IRON, AND THE BALANCE ESSENTIALLY ALL NICKEL, THE RATIO OF CHROMIUM TO IRON BEING MAINTAINED AT ALL TIMES AT ABOUT 1:3.
Claim 2
Dependent Claim
65 words
A BRAZING ALLOY HAVING EXCELLENT FLOW CHARACTERISTICS AT BRAZING TEMPERATURES WITHIN THE RANGE OF FROM ABOUT 1900*F. TO ABOUT 2050*F. CONSISTING OF FROM 0.75 TO 3.00 BORON, 2 TO 3.5% CHROMIUM, FROM 3 TO 3.75% SILICON, UP TO 8% COPPER, FROM 6 TO 11% IRON, AND THE BALANCE ESSENTIALLY ALL NICKEL, THE RATIO OF CHROMIUM TO IRON BEING MAINTAINED AT ALL TIMES AT ABOUT 1:3.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |