US2932723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric arc welding
Assignee: Airco Inc
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Filing: 1958-12-24
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Granted: 1960-04-12
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Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Sibley Craig Richard
- 👤 Lesnewich Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:40
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN THE METHOD OF ELECTIC ARE WELDING FERROUS METAL PARTS WITH A CONSUMABLE FERROUS ELECTRODE IN A CARBON DIOXIDE GAS ATMOSPHERE, THE IMPROVEMENT WHICH COMPRISES STRIKING AN ARC BETWEEN THE WORKPIECE AND A STEEL WIRE CONTAINING LESS THAN .25% OF DEOXIDIZING MATERIAL AS THE WELDING ELECTRODE, ADDING TO SAID WIRE A CESIUM COMPOUND IN AN AMOUNT EFFECTIVE TO PRODUCE, AT SUITABLE ARE CURRENT VALUES, A SPARY TRANSFER OF MOLTEN METAL FROM SAID ELECTRODE, AND SEPARATELY ADDING TO THE WELD POOL FORMED BY SAID ARC A STRONGLY DEOXIDIZING METAL IN AN AMOUNT SUFFICIENT TO PREVENT THE FORMATION OF PORES IN THE SOLIDIFIED WELD METAL.
Claim 2
Dependent Claim
103 words
IN THE METHOD OF ELECTIC ARE WELDING FERROUS METAL PARTS WITH A CONSUMABLE FERROUS ELECTRODE IN A CARBON DIOXIDE GAS ATMOSPHERE, THE IMPROVEMENT WHICH COMPRISES STRIKING AN ARC BETWEEN THE WORKPIECE AND A STEEL WIRE CONTAINING LESS THAN .25% OF DEOXIDIZING MATERIAL AS THE WELDING ELECTRODE, ADDING TO SAID WIRE A CESIUM COMPOUND IN AN AMOUNT EFFECTIVE TO PRODUCE, AT SUITABLE ARE CURRENT VALUES, A SPARY TRANSFER OF MOLTEN METAL FROM SAID ELECTRODE, AND SEPARATELY ADDING TO THE WELD POOL FORMED BY SAID ARC A STRONGLY DEOXIDIZING METAL IN AN AMOUNT SUFFICIENT TO PREVENT THE FORMATION OF PORES IN THE SOLIDIFIED WELD METAL.
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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |