US2981648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum soldering slurry
Assignee: Modine Manufacturing Co
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Filing: 1957-12-10
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Granted: 1961-04-25
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Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Stanley W Peterson
- 👤 Carl W Danzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:48
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603; B23K35/24; B23K35/28; B23K35/282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A BONDING MATERIAL COMPRISING A METALLIC BONDING MATERIAL CONSISTING ESSENTIALLY OF ZINC AND ONE OR MORE ALLOYING METALS SELECTED FROM THE GROUP CONSISTING OF COPPER, ALUMINUM, AND MAGNESIUM, SAID METALS BEING SUBSTANTIALLY WITHIN THE RANGE SPECIFIED BY WEIGHT OF FROM 15% TO 60%, A VEHICLE OF ONE OR MORE KETONES SELECTED FROM THE GROUP CONSISTING OF METHYL ETHYL KETONE, AND ISOKETONE, DIMETHYL KETONE, METHYL PROPYL KETONE, AND ISOPROPYL KETONE WITHIN SUBSTANTIALLY THE RANGE SPECIFIED BY WEIGHT OF 9% TO 50%, AND A FLUXING AGENT COMPRISING A ZINC HALIDE, AN AMMONIUM HALIDE SELECTED FROM THE GROUP CONSISTING OF CHLORINE, IODINE, AND BROMINE; AND A FLUORINE SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM FLUORIDE, SODIUM ACID FLUORIDE, AMMONIUM FLUORIDE, AMMONIUM ACID FLUORIDE, POTASSIUM FLUORIDE, POTASSIUM ACID FLUORIDE, SAID FLUXING AGENT BEING WITHIN SUBSTANTIALLY THE RANGE SPECIFIED BY WEIGHT OF FROM 20 TO 55%.
Claim 2
Dependent Claim
142 words
A BONDING MATERIAL COMPRISING A METALLIC BONDING MATERIAL CONSISTING ESSENTIALLY OF ZINC AND ONE OR MORE ALLOYING METALS SELECTED FROM THE GROUP CONSISTING OF COPPER, ALUMINUM, AND MAGNESIUM, SAID METALS BEING SUBSTANTIALLY WITHIN THE RANGE SPECIFIED BY WEIGHT OF FROM 15% TO 60%, A VEHICLE OF ONE OR MORE KETONES SELECTED FROM THE GROUP CONSISTING OF METHYL ETHYL KETONE, AND ISOKETONE, DIMETHYL KETONE, METHYL PROPYL KETONE, AND ISOPROPYL KETONE WITHIN SUBSTANTIALLY THE RANGE SPECIFIED BY WEIGHT OF 9% TO 50%, AND A FLUXING AGENT COMPRISING A ZINC HALIDE, AN AMMONIUM HALIDE SELECTED FROM THE GROUP CONSISTING OF CHLORINE, IODINE, AND BROMINE; AND A FLUORINE SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM FLUORIDE, SODIUM ACID FLUORIDE, AMMONIUM FLUORIDE, AMMONIUM ACID FLUORIDE, POTASSIUM FLUORIDE, POTASSIUM ACID FLUORIDE, SAID FLUXING AGENT BEING WITHIN SUBSTANTIALLY THE RANGE SPECIFIED BY WEIGHT OF FROM 20 TO 55%.
References Cited (Backward Citations)
US2493372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |