US3373016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing alloy
Assignee: North American Aviation Corp
•
Filing: 1965-09-20
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Granted: 1968-03-12
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Expires: 1985-09-20
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
2026-10-23 14:25
CPC Classifications
C; C22; C22C; C22C5/00; C22C5/06; 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 COMPRISING: FROM 0.93 TO 1.25 WEIGHT PERCENT CU, FROM 0.70 TO 0.94 WEIGHT PERCENT NI, FROM 13.5 TO 15.0 WEIGHT PERCENT ZN, AND THE REMAINDER BEING AG AND INCIDENTAL AMOUNTS OF IMPURITIES AND COMPATIBLE ELEMENTS, WHEREIN THE RATIO OF NI TO CU IS AT LEAST .75:1.
Claim 2
Dependent Claim
49 words
A BRAZING ALLOY COMPRISING: FROM 0.93 TO 1.25 WEIGHT PERCENT CU, FROM 0.70 TO 0.94 WEIGHT PERCENT NI, FROM 13.5 TO 15.0 WEIGHT PERCENT ZN, AND THE REMAINDER BEING AG AND INCIDENTAL AMOUNTS OF IMPURITIES AND COMPATIBLE ELEMENTS, WHEREIN THE RATIO OF NI TO CU IS AT LEAST .75:1.
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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |