US2815436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding aluminum clad steel
Assignee: Standard Oil Co
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Filing: 1955-06-21
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Granted: 1957-12-03
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Expires: 1975-06-21
Abstract
No abstract record available.
Inventors
- 👤 Bland Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:28
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/23; B23K33/00; B23K33/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD OF WELDING ALUMINUM CLAD STEEL MEMBERS HAVING EDGES WHICH ARE JUXTAPOSED AND IN WELDING RELATIONSHIP TO ONE ANOTHER WHICH METHOD COMPRISES ELECTRICALLY WELDING THE ALUMINUM EDGES OF SAID ALUMINUM CLAD STEEL MEMBERS WITH A NON-CONSUMABLE ELECTRODE WHILE BLANKETING THE MOLTEN PORTIONS OF THE WELD WITH AN INERT GASEOUS MEDIUM, ELECTRICALLY WELDING A ROOT PASS BETWEEN THE STEEL EDGES OF SAID ALUMINUM CLAD STEEL MEMBERS WITH A NON-CONSUMABLE ELECTRODE WHILE AVOIDING IMPINGEMENT OF THE ARC FROM SAID ELECTRODE UPON SAID ALUMINUM CLADDING AND WHILE BLANKETING THE MOLTEN PORTIONS OF THE WELD WITH AN INERT GASEOUS MEDIUM, AND COMPLETING SAID WELD BETWEEN SAID EDGES.
Claim 2
Independent Claim
104 words
THE METHOD OF WELDING ALUMINUM CLAD STEEL MEMBERS HAVING EDGES WHICH ARE JUXTAPOSED AND IN WELDING RELATIONSHIP TO ONE ANOTHER WHICH METHOD COMPRISES ELECTRICALLY WELDING THE ALUMINUM EDGES OF SAID ALUMINUM CLAD STEEL MEMBERS WITH A NON-CONSUMABLE ELECTRODE WHILE BLANKETING THE MOLTEN PORTIONS OF THE WELD WITH AN INERT GASEOUS MEDIUM, ELECTRICALLY WELDING A ROOT PASS BETWEEN THE STEEL EDGES OF SAID ALUMINUM CLAD STEEL MEMBERS WITH A NON-CONSUMABLE ELECTRODE WHILE AVOIDING IMPINGEMENT OF THE ARC FROM SAID ELECTRODE UPON SAID ALUMINUM CLADDING AND WHILE BLANKETING THE MOLTEN PORTIONS OF THE WELD WITH AN INERT GASEOUS MEDIUM, AND COMPLETING SAID WELD BETWEEN SAID EDGES.
References Cited (Backward Citations)
US1934065A
Cited
US2405542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |