US2952906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of soldering aluminum to copper or brass
Assignee: Reynolds Metals Co
•
Filing: 1956-08-17
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Granted: 1960-09-20
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Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Ogle R Singleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:01
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/28; B23K35/282; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF SOLDERING ALUMINUM TO A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND BRASS WHICH COMPRISES COATING THE METAL WITH A SOLDER CONSISTING ESSENTIALLY OF ABOUT 20% TO 95% ZINC AND ABOUT 5% TO 80% CADMIUM TO WHICH HAS BEEN ADDED ABOUT .5% TO 2.5% INDIUM, POSITIONING SAID ALUMINUM AGAINST SAID METAL IN INTIMATE CONTACT WITH SAID SOLDER COATING, APPLYING A SUITABLE FLUX, APPLYING SUFFICIENT HEAT TO CAUSE SAID SOLDER COATING TO FUSE AND COAT SAID ALUMINUM, AND SOLIDIFYING SAILD SOLDER COATING WHILE SAID METAL AND ALUMINUM ARE IN JUXTAPOSITION.
Claim 2
Independent Claim
93 words
THE METHOD OF SOLDERING ALUMINUM TO A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND BRASS WHICH COMPRISES COATING THE METAL WITH A SOLDER CONSISTING ESSENTIALLY OF ABOUT 20% TO 95% ZINC AND ABOUT 5% TO 80% CADMIUM TO WHICH HAS BEEN ADDED ABOUT .5% TO 2.5% INDIUM, POSITIONING SAID ALUMINUM AGAINST SAID METAL IN INTIMATE CONTACT WITH SAID SOLDER COATING, APPLYING A SUITABLE FLUX, APPLYING SUFFICIENT HEAT TO CAUSE SAID SOLDER COATING TO FUSE AND COAT SAID ALUMINUM, AND SOLIDIFYING SAILD SOLDER COATING WHILE SAID METAL AND ALUMINUM ARE IN JUXTAPOSITION.
References Cited (Backward Citations)
US669425A
Cited
US1787942A
Cited
US2211813A
Cited
US2278155A
Cited
US2464821A
Cited
US2717840A
Cited
US2872730A
Cited
US2846762A
Cited
US2873216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |