Patent US2817895A successfully refreshed from Google Patents.
US2817895A
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Soldering flux composition and method of soldering with same
Assignee: Horizons Inc
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Filing: 1956-08-16
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Granted: 1957-12-31
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Expires: 1976-08-16
Abstract
No abstract record available.
Inventors
- 👤 Chill Ralph
- 👤 Liu Tien-Shih
- 👤 Yee Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:10
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SOLDERING FLUX COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 10% BY WEIGHT OF A MIXTURE CONSISTING OF THE CHLORIDES OF LITHIUM, SODIUM AND POTASSIUM, IN WHICH THE ALKALI METAL CHLORIDES ARE PRESENT IN THE RELATIVE PROPORTIONS OF LICL BETWEEN 29% AND 66% BY WEIGHT, NACI BETWEEN 6% AND 29% BY WEIGHT, AND KCI BETWEEN 21% AND 43% BY WEIGHT; ABOUT 83.5% BY WEIGHT OF THE CHLORIDE OF ZINC; AND THE REMAINING 6.5% BY WEIGHT CONSISTING ESSENTIALLY OF THE CHLORIDES OF COPPER, LEAD AND CADMIUM, IN WHICH THE CHLORIDE OF COPPER CONSTITUTES BETWEEN 4% AND 6% OF THE TOTAL WEIGHT OF THE COMPOSITION, THE CHLORIDE OF LEAD CONSTITUTES BETWEEN 0.25% AND 1.25% OF THE WEIGHT OF THE COMPOSITION, AND THE CHLORIDE OF CADMIUM CONSTITUTES BETWEEN 0.5% AND 1.75% OF THE COMPOSITION.
Claim 2
Dependent Claim
129 words
A SOLDERING FLUX COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 10% BY WEIGHT OF A MIXTURE CONSISTING OF THE CHLORIDES OF LITHIUM, SODIUM AND POTASSIUM, IN WHICH THE ALKALI METAL CHLORIDES ARE PRESENT IN THE RELATIVE PROPORTIONS OF LICL BETWEEN 29% AND 66% BY WEIGHT, NACI BETWEEN 6% AND 29% BY WEIGHT, AND KCI BETWEEN 21% AND 43% BY WEIGHT; ABOUT 83.5% BY WEIGHT OF THE CHLORIDE OF ZINC; AND THE REMAINING 6.5% BY WEIGHT CONSISTING ESSENTIALLY OF THE CHLORIDES OF COPPER, LEAD AND CADMIUM, IN WHICH THE CHLORIDE OF COPPER CONSTITUTES BETWEEN 4% AND 6% OF THE TOTAL WEIGHT OF THE COMPOSITION, THE CHLORIDE OF LEAD CONSTITUTES BETWEEN 0.25% AND 1.25% OF THE WEIGHT OF THE COMPOSITION, AND THE CHLORIDE OF CADMIUM CONSTITUTES BETWEEN 0.5% AND 1.75% 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) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |