Patent US2806128A successfully refreshed from Google Patents.
US2806128A
Expired / Lapsed
US
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Welding electrode
Assignee: Airco Inc
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Filing: 1954-11-15
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Granted: 1957-09-10
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Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Muller Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0283; B23K35/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN ARC WELDING ELECTRODE COMPRISING A PLURALITY OF WIRE STRANDS COMBINED TO FORM A UNITARY ELECTRODE STRUCTURE HAVING AN ELECTRICALLY CONDUCTIVE OUTER SURFACE ADAPTED TO MAKE ELECTRICAL CONTACT WITH A CURRENT FEEDING DEVICE AS THE ELECTRODE MOVES IN SLIDING CONTACT THEREWITH, SAID ELECTRODE INCULDING AS AN ESSENTIAL INGREDIENT THEREOF A SUBSTANCE COMPRISING A METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS, THE ALKALINE EARTH METALSS, LANTHANUM AND THE LANTHANUM SERIES RARE EARTH METALS, ACTINIUM AND THE ACTINIUM SERIES RARE EARTH METALS, SCANDIUM, AND YTTRIUM, WHICH SUBSTANCE ACTS IN THE REGION OF THE ARC WITH THE METAL OF ALL OF THE WIRE STRANDS TO FORM A COMPOSITE EMISSION SURFACE THEREON, SAID SUBSTANCE BEING PROVIDED AS A COMPONENT OF AT LEAST ONE OF SAID STRANDS, AND AT LEAST ONE OF SAID STRANDS BEING FREE OF SAID SUBSTANCE.
Claim 2
Dependent Claim
137 words
AN ARC WELDING ELECTRODE COMPRISING A PLURALITY OF WIRE STRANDS COMBINED TO FORM A UNITARY ELECTRODE STRUCTURE HAVING AN ELECTRICALLY CONDUCTIVE OUTER SURFACE ADAPTED TO MAKE ELECTRICAL CONTACT WITH A CURRENT FEEDING DEVICE AS THE ELECTRODE MOVES IN SLIDING CONTACT THEREWITH, SAID ELECTRODE INCULDING AS AN ESSENTIAL INGREDIENT THEREOF A SUBSTANCE COMPRISING A METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS, THE ALKALINE EARTH METALSS, LANTHANUM AND THE LANTHANUM SERIES RARE EARTH METALS, ACTINIUM AND THE ACTINIUM SERIES RARE EARTH METALS, SCANDIUM, AND YTTRIUM, WHICH SUBSTANCE ACTS IN THE REGION OF THE ARC WITH THE METAL OF ALL OF THE WIRE STRANDS TO FORM A COMPOSITE EMISSION SURFACE THEREON, SAID SUBSTANCE BEING PROVIDED AS A COMPONENT OF AT LEAST ONE OF SAID STRANDS, AND AT LEAST ONE OF SAID STRANDS BEING FREE OF SAID SUBSTANCE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |