US2723928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering composition for aluminum
Assignee: Horizons Inc
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Filing: 1954-06-18
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Granted: 1955-11-15
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Expires: 1974-06-18
Abstract
No abstract record available.
Inventors
- 👤 Fisher Elwyn Dean
- 👤 Harry M Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:05
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A SOLDERING COMPOSITION FOR ALUMINUM CHARACTERIZED BY BOTH A MELTING POINT AND AN ABILITY TO REMOVE SURFACE OXIDE ON ALUMINUM BLOW 200*C. WHICH CONSISTS ESSENTIALLY OF THE PRODUCT OF FUSING TO HOMOGENEITY A MIXTURE OF ALUMINUM CHLORIDE, AN ALKALI METAL CHLORIDE OF THE GROUP CONSISTING OF SODIUM, POTASSIUM AND LITHIUM CHLORIDES, AND A CHLORIDE OF A HEAVY METAL ELECTRONEGATIVE WITH RESPECT TO ALUMINUM, THE MOLAR PROPORTION OF ALUMINUM CHLORIDE IN THE ALUMINUM CHLORIDE-ALKALI METAL CHLORIDE COMPONENT OF THE MIXTURE RANGING BETWEEN ABOUT 52% AND 82%, AND THE AMOUNT OF HEAVY METAL CHLORIDE NOT EXCEEDING ABOUT 50% BY WEIGHT OF THE MIXTURE AND BEING AT LEAST AN AMOUNT SUFFICIENT TO FORM A BOND OF THE STRENGTH REQUIRED.
Claim 2
Dependent Claim
116 words
A SOLDERING COMPOSITION FOR ALUMINUM CHARACTERIZED BY BOTH A MELTING POINT AND AN ABILITY TO REMOVE SURFACE OXIDE ON ALUMINUM BLOW 200*C. WHICH CONSISTS ESSENTIALLY OF THE PRODUCT OF FUSING TO HOMOGENEITY A MIXTURE OF ALUMINUM CHLORIDE, AN ALKALI METAL CHLORIDE OF THE GROUP CONSISTING OF SODIUM, POTASSIUM AND LITHIUM CHLORIDES, AND A CHLORIDE OF A HEAVY METAL ELECTRONEGATIVE WITH RESPECT TO ALUMINUM, THE MOLAR PROPORTION OF ALUMINUM CHLORIDE IN THE ALUMINUM CHLORIDE-ALKALI METAL CHLORIDE COMPONENT OF THE MIXTURE RANGING BETWEEN ABOUT 52% AND 82%, AND THE AMOUNT OF HEAVY METAL CHLORIDE NOT EXCEEDING ABOUT 50% BY WEIGHT OF THE MIXTURE AND BEING AT LEAST AN AMOUNT SUFFICIENT TO FORM A BOND OF THE STRENGTH REQUIRED.
References Cited (Backward Citations)
US1312154A
Cited
US2507346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |