US2493372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing flux composition
Assignee: Individual
•
Filing: 1946-11-08
•
Granted: 1950-01-03
•
Expires: 1966-11-08
Abstract
No abstract record available.
Inventors
- 👤 Harold R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:50
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
A BRANDING FLUX COMPOSITION SUBSTANTIALLY 7% ZINC CHLORIDE, 2% AMMONIUM CHLORIDE. 1% CRYOLITHIONITE AND 40% DIETHYLENE GLYCOL MONOETHYL ETHER, BRAZE ALLOY PARTICLES BEING COMBINED WITH SAID COMPOUND FLUX, IN AN AMOUNT SUSTANTIALLY EQUAL TO 50% OF THE ENTIRE WEIGHTER OF THE COMPOSITION.
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) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |