US2507346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing of light metals
Assignee: Alcoa Corp
•
Filing: 1946-09-07
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Granted: 1950-05-09
•
Expires: 1966-09-07
Abstract
No abstract record available.
Inventors
- 👤 Mike A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:39
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A BRAZING FLUX CONSISTING OF 5 TO 60% OF POTASSIUM CHLORIDE, 5 TO 60% OF SODIUM CHLORIDE, 5 TO 80% OF LITHIUM CHLORIDE, AND 4 TO 12% OF ALUMINUM FLUORIDE.
Claim 2
Dependent Claim
30 words
A BRAZING FLUX CONSISTING OF 5 TO 60% OF POTASSIUM CHLORIDE, 5 TO 60% OF SODIUM CHLORIDE, 5 TO 80% OF LITHIUM CHLORIDE, AND 4 TO 12% OF ALUMINUM FLUORIDE.
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) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |