US3411900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing alloy composition
Assignee: Boeing North American Inc
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Filing: 1966-04-13
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Granted: 1968-11-19
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Expires: 1986-04-13
Abstract
No abstract record available.
Inventors
- 👤 Edward R Roeder
- 👤 Jr Ernst G Huschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:06
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A BRAZING ALLOY CONSISTING ESSENTIALLY OF: FROM 1 TO 10 WEIGHT PERCENT PALLADIUM, FROM 1 TO 7.5 WEIGHT PERCENT COPPER, FROM .5 TO 3.5 WEIGHT PERCENT NICKEL, 0 TO .15 WEIGHT PERCENT IMPURITIES, AND THE BALANCE SILVER, SAID SILVER BEINGPRESENT IN AN AMOUNT OF 80 TO 95 WEIGHT PERCENT.
Claim 2
Dependent Claim
49 words
A BRAZING ALLOY CONSISTING ESSENTIALLY OF: FROM 1 TO 10 WEIGHT PERCENT PALLADIUM, FROM 1 TO 7.5 WEIGHT PERCENT COPPER, FROM .5 TO 3.5 WEIGHT PERCENT NICKEL, 0 TO .15 WEIGHT PERCENT IMPURITIES, AND THE BALANCE SILVER, SAID SILVER BEINGPRESENT IN AN AMOUNT OF 80 TO 95 WEIGHT PERCENT.
References Cited (Backward Citations)
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Cited
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Cited
US2300286A
Cited
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Cited
US2805155A
Cited
US3141761A
Cited
US3163500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |